Gotu Kola and Bacopa for Brain Injury Recovery: What the Evidence Shows

What TBI Does Gotu Kola Bacopa Carnitine Food and Inflammation Breathwork Hyperbaric Oxygen Brain Training Ginkgo, Later On Psilocybin Research Safety Where to Start FAQ Course Sources

Recovery from a brain injury is slow and uneven. The medical system handles the acute phase well and has little to offer in month eight, when the scans are clear and the headaches, word-finding problems, and flat mood remain. That gap is where most people start searching, and it is where the worst information lives. This article covers what has been studied as supportive care after a brain injury, with the strength of the evidence flagged for each item, starting with gotu kola and bacopa, the two herbs with the longest traditional record and the most human trial data.

One thing about the research explains why the evidence looks the way it does. Plants cannot be patented, so the large trials that exist for drugs do not exist for most herbs, and what gets done instead is animal work plus small academic trials funded by grants. When you read that an herb has only been studied in animals, that usually says more about who pays for research than about whether the plant works. It cuts both ways: the absence of large trials is not evidence of no effect, but the evidence is weaker than I would like. Continuous traditional use over centuries is a safety record of its own and deserves weight, though it is not an efficacy record.

Key Takeaways

• Emergency evaluation comes first. Everything below is supportive care alongside medical treatment, not instead of it.
• Gotu kola (Centella asiatica) and bacopa (Bacopa monnieri) carry the longest traditional record and the most human trial data of any herb here, though those trials were run in healthy and aging adults rather than in brain injury patients.
• Bacopa needs 12 weeks or longer to show an effect and should be taken with a meal containing fat.
• Hyperbaric oxygen results split by protocol, with benefit clustering around 40 sessions at 1.5 atmospheres absolute or higher.
• Nutrient-dense food, sleep, and slow paced breathing have better support than most of the supplements people reach for first.
• Ginkgo affects platelet function and should wait until bleeding has been ruled out and a physician has cleared it.

If you have hit your head, go to an emergency department or urgent care right now, because bleeding, swelling, and fracture need to be assessed and ruled out before anything else happens. This article is educational and is not medical advice. It does not diagnose or treat any condition and does not replace emergency care or rehabilitation. Talk to your physician and a qualified herbalist before adding any herb or supplement.

What a Brain Injury Does

Evidence: established physiology

Traumatic brain injury is damage caused by an external force to the head. It ranges from concussion at the mild end to severe injury with lasting disability, and it produces headache, dizziness, light and noise sensitivity, memory and attention problems, sleep disruption, irritability, anxiety, and depression. Mood is not a side note. A 2025 review in Brain Sciences reports major depressive disorder in roughly 53% of patients in the first year after mild to severe injury, against a general population rate near 7%.¹

The initial impact is only part of the damage. What follows is called secondary injury, a cascade of neuroinflammation, oxidative stress, mitochondrial dysfunction, and disrupted energy metabolism that unfolds over hours, days, and sometimes months. Immune cells arrive to clear debris, which is useful, but when they stay in a pro-inflammatory state the prolonged cytokine release worsens neuronal death and contributes to long-term white matter loss. Most of what follows targets this second phase, because that is the part still underway once you are home.

Recovery depends on neuroplasticity, the brain's capacity to reorganize around what was damaged. A protein called brain-derived neurotrophic factor, or BDNF, drives part of that process and comes up repeatedly below, since several of these interventions influence it.

Gotu Kola (Centella asiatica)

Evidence: long traditional record, animal data, small human trials

Gotu kola is a primary nervine tonic in Ayurveda, classed as a medhya rasayana, a rejuvenative for the mind, and it has been used for memory and nervous system support for well over two thousand years. It holds a similar place in traditional Chinese medicine.

Its active triterpenes and caffeoylquinic acids act on the Nrf2 pathway, which regulates the body's own antioxidant and anti-inflammatory response. Animal studies report reduced brain swelling, improved cognitive performance, and increased formation of new neurons in the hippocampus. Cell studies show its caffeoylquinic acids protect neurons against glutamate excitotoxicity and hypoxic damage, both part of the secondary injury cascade after head trauma.

In humans, a randomized, placebo-controlled, double-blind trial in 28 healthy older adults found that 750 mg daily of a standardized extract for two months improved working memory, sped reaction time, and increased the N100 amplitude of event-related potentials, a direct electrical measure of brain processing rather than a self-report. Participants also reported better mood.² A study in post-stroke cognitive impairment found improved delayed recall compared with folic acid,³ and a phase I trial in older adults with mild dementia confirmed the key compounds are orally bioavailable and that the extract raised NRF2 gene expression, meaning the antioxidant pathway seen in animals also engages in people.⁴

A meta-analysis pooling eleven randomized trials found no significant overall cognitive benefit for Centella alone.⁵ Pooled analyses of small trials using different extracts, doses, and outcome measures often wash out real effects, so I read that as unresolved rather than negative. That same review found no adverse effects in any trial testing Centella by itself, which leaves a long traditional record, a coherent mechanism, a clean safety profile, and human data pointing the right direction without settling the question.

Bacopa (Bacopa monnieri)

Evidence: moderate in healthy and aging adults

Bacopa shares the same Ayurvedic classification and has been through more randomized controlled trials than almost any other traditional cognitive herb.¹¹ The most consistent effects are in memory acquisition, memory consolidation, and speed of attention.

Stough and colleagues found in 2001 that 300 mg daily of a standardized extract improved memory consolidation in healthy adults after 90 days,⁶ and replicated the finding in a second 90-day trial in 2008.⁷ Roodenrys reported similar effects on retention in 2002.⁸ A randomized trial in adults with age-associated memory impairment found improvements in logical memory and paired associate learning over 12 weeks using an extract standardized to 55% bacosides,⁹ and a 2014 meta-analysis concluded that bacopa has the potential to improve cognition, with the clearest effect on speed of attention.¹⁰ Experimental work suggests it enhances dendritic branching and upregulates BDNF, the same repair machinery brain injury recovery depends on.

Two practical notes apply: bacopa is slow, since nearly every positive trial ran 12 weeks or longer and short courses show nothing, and it commonly causes digestive upset, which is reduced by taking it with a meal containing fat.

No trial has tested bacopa in people recovering from head injury. The case for using it rests on the overlap between the cognitive domains it affects and the ones brain injury disrupts, plus shared mechanisms, which is a reasonable inference rather than a demonstrated result.

Acetyl-L-Carnitine

Evidence: preclinical promising, one small human pilot

Acetyl-L-carnitine, or ALCAR, is the form of carnitine that crosses the blood-brain barrier, unlike plain L-carnitine. Its job is shuttling long-chain fatty acids into the mitochondria to be burned for energy, which matters because brain injury creates an energy crisis in neurons at the same moment it raises their demand.

In a 2023 mouse model of repetitive mild brain injury, acetyl-L-carnitine reduced expression of genes tied to tau pathology, inflammation, and glial activation in the cortex.¹² It works by counteracting excitotoxicity, the overactivation of glutamate receptors that floods neurons with calcium and drives oxidative stress and cell death. Earlier animal work found neuroprotection after injury to the immature rat brain. One small human pilot examined L-carnitine in brain injury patients using neuron specific enolase as an injury biomarker, though it was preliminary and measured a lab value rather than how patients felt or functioned. ALCAR is well tolerated and the mechanism fits, but the human evidence in brain injury is thin.

Food, Fats, and Lowering Inflammation

Evidence: strong mechanistically, moderate clinically

This is the part people skip in favor of a supplement stack, and after hyperbaric oxygen it did more for me than anything else. I eat a nutrient-dense diet along Weston A. Price lines: pastured meat and eggs, organ meats, wild fish, raw and cultured dairy where it agrees with me, bone broth, traditionally prepared grains and legumes if any at all, and saturated fats like butter, tallow, and coconut oil in place of industrial seed oils. The aim is lowering inflammation and giving the brain raw material to rebuild with. I cannot prove it was the deciding factor in my case, because I changed several things at once, but it is what I would do again, and my articles archive covers nutrient density and sourcing in more depth.

Omega-3 fats

DHA is a structural component of neuronal membranes and is depleted after injury. In a mouse study where brain DHA was depleted across three generations, the deficient animals recovered more slowly, showed more anxiety behavior and cognitive deficit, and had higher injury markers and more neuronal death around the injury site.¹³ A 2024 review of nutrition after brain injury found evidence that omega-3s and creatine monohydrate reduce inflammation and neural damage while maintaining the brain's energy supply.¹⁴ Wild fatty fish, pastured egg yolks, and grass-fed meat are the food sources, while industrial seed oils displace these fats and push the balance toward inflammation.

Choline

Egg yolks and liver are the richest sources. Choline feeds acetylcholine synthesis and membrane repair, both directly relevant after injury.

Blood sugar stability

The injured brain has impaired glucose metabolism, so meals built on protein and fat rather than refined carbohydrate flatten the swings. Many people find their post-injury brain fog tracks with blood sugar.

Sleep and protein

Repair happens during sleep and requires adequate protein. Neither is interesting, and both outwork most supplements.

A systematic review of nutritional interventions in chronic mild brain injury found only nine qualifying studies across five databases.¹⁵ The interventions studied were safe, and some improved cognitive failures, sleep disturbance, and anxiety, but the headline finding was how few studies exist, which fairly summarizes this entire field.

Breathwork and the Autonomic Nervous System

Evidence: one randomized controlled trial in mild TBI

Brain injury frequently disrupts the autonomic nervous system, which governs heart rate, blood pressure, digestion, and stress response. Reduced heart rate variability is a common finding after brain injury and tracks with anxiety, poor stress recovery, and difficulty regulating emotion.

Slow paced breathing is the most direct lever on that system. In a randomized controlled trial in Taiwan, 41 people with mild brain injury completed either heart rate variability biofeedback or a psychoeducation control.¹⁶ The biofeedback group breathed at their individual resonance frequency, between 4.5 and 6.5 breaths per minute, in weekly sessions plus two 20-minute home sessions daily, and the trial measured executive function, processing speed, verbal memory, and autonomic function.

You do not need equipment to practice the underlying skill. Six breaths per minute, a five-second inhale and a five-second exhale, is the resonance frequency for most adults, and 15 minutes once a day matches what the research used. One caution applies: this is not the same as intense breathwork. Hyperventilation-based practices, breath retention, and Wim Hof style protocols sharply alter cerebral blood flow and carbon dioxide levels and can cause lightheadedness or fainting, so after a head injury the slow steady version is the one with evidence behind it.

Hyperbaric Oxygen Therapy

Evidence: mixed in trials, protocol-dependent

Hyperbaric oxygen therapy means breathing oxygen at greater than sea-level pressure, which dissolves far more oxygen into the plasma than normal breathing allows. The rationale in brain injury is delivery of oxygen to tissue that is metabolically impaired but still alive. The trials conflict, and anyone telling you otherwise has something to sell.

On the positive side, a 2025 double-blind randomized trial in adults with persistent symptoms after brain injury found the treatment group improved significantly more than sham on the Neurobehavioral Symptom Inventory at 13 weeks, with the reduction still present at 36 months.¹⁷ A randomized trial in children with persistent post-concussion syndrome found improved cognitive and behavioral function alongside measurable MRI microstructural changes years after the original injury.¹⁸ On the negative side, a multicenter sham-controlled trial in 72 military service members found no advantage over sham, with both chamber groups improving relative to no intervention, which raises the question of how much benefit comes from pressure, routine, and attention rather than oxygen.¹⁹ A systematic review sorting eleven studies by dose found the clearest signal at 40 sessions of 1.5 atmospheres absolute, significant across four randomized trials.²⁰

My own experience

I did roughly 90 sessions in a hard-shell chamber last year, about eleven years after my injury, and it helped my brain fog and other neurological symptoms more than anything else I have tried. I would recommend it to anyone who can afford it, with two caveats about how it is delivered.

Hard-shell chambers reach higher pressure than the soft-shell units marketed for home use, and they pressurize the whole chamber with oxygen rather than feeding it through a mask, so oxygen reaches all your tissues instead of only what you inhale. That setup is also why no electronics are allowed inside, since a high-oxygen environment turns any spark into a fire risk, so you sit without a phone or laptop for the length of each session. The other caveat is cost, which is substantial, rarely covered by insurance for this use, and multiplied by the number of sessions any effective protocol requires.

Brain Training Games

Evidence: gains are real but narrow

Dual n-back and platforms like Lumosity come up constantly in recovery communities and belong here with an accurate description of what they do: you get better at the trained task and at tasks closely resembling it. That is near transfer, and it is well established. Far transfer, meaning whether gains show up in general reasoning, daily function, or work performance, is contested. A multi-level meta-analysis of 33 randomized trials of n-back training found reliable task-specific transfer with weaker, inconsistent effects on fluid intelligence and cognitive control.²¹

Lumosity is a specific case worth knowing. In 2016 the company paid $2 million to settle deceptive advertising charges over claims that its games reduced cognitive impairment associated with conditions including traumatic brain injury and that scientific studies had proven it.²²

None of that makes brain training worthless. Structured, progressively harder cognitive work is a sensible thing to be doing in recovery, it gives you a number to track across months, and the sense of forward motion counts when everything else feels stalled. Working memory training has also been studied in acquired brain injury populations, where deficits in that domain are well documented. Set the expectation at getting better at a specific skill rather than rebuilding cognition globally. If you want stronger evidence, formal cognitive rehabilitation with a speech-language pathologist or neuropsychologist targets your actual functional problems instead of a game.

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Ginkgo Biloba: A Later Consideration

Evidence: preclinical strong, clinical limited, bleeding risk specific to this condition

Ginkgo has more brain-injury-specific research behind it than either gotu kola or bacopa, and it is also the one herb here I would not touch in early recovery. Ginkgo affects platelet aggregation and thins the blood, which in most contexts is part of why it works, since improved microcirculation is one of its proposed mechanisms. After a head injury it becomes a specific hazard, because a proportion of head injuries involve bleeding inside the skull, some bleeds are slow, and some are not apparent for hours or days. Adding a blood-thinning agent to an undiagnosed bleed is the wrong move, and it is one of the reasons emergency evaluation and imaging come first.

Once bleeding has been ruled out, the acute phase is behind you, and a physician who knows your imaging and medication list has cleared you, ginkgo becomes reasonable to discuss. In my thinking that is months into recovery at the earliest, and for many people years.

For when that conversation happens, a 2026 systematic review covering 65 studies, including 42 animal studies and 23 clinical trials, found consistent preclinical evidence that the standardized extract EGb 761 reduces oxidative stress and suppresses inflammatory cytokines including IL-1 beta, IL-6, and TNF-alpha after brain injury, with clinical studies suggesting improvements in cognitive and functional outcomes.²³ The review's own conclusion was that clinical data remain insufficient to justify routine therapeutic use and that adverse events, bleeding in particular, were reported.

Ginkgo needs medical supervision for anyone with a history of intracranial bleeding, anyone taking an anticoagulant or antiplatelet drug including aspirin and clopidogrel, anyone taking NSAIDs regularly, anyone with a bleeding disorder, and anyone with surgery scheduled. A 2025 analysis of 2,647 hospital prescriptions found ginkgo interactions in roughly 13%, most often with antiplatelets, anticoagulants, and NSAIDs, with significant associations between those interactions and both bleeding risk and abnormal coagulation.²⁴ Case reports have linked ginkgo to severe bleeding including intracranial hemorrhage.

Psilocybin: Research Status Only

Evidence: animal models and reviews, no human brain injury trials, Schedule I in the United States

Psilocybin appears in nearly every brain injury recovery forum, so it needs an accurate summary rather than silence. The research to date is animal work. A 2025 preprint from Northeastern University used a model built to mimic sport and car-accident concussion, with awake rats receiving three impacts across three days.²⁵ Compared with untreated injured rats, the rats given psilocybin after each impact showed reduced brain swelling, more normal blood vessel regulation three weeks out, restored functional connectivity, phosphorylated tau reduced to near-normal levels, and elevated BDNF and its receptor TrkB.

No randomized trial has tested psilocybin in people with traumatic brain injury. The authors of a 2025 narrative review in Brain Sciences say so directly and call for controlled trials on dosing and safety, raising two open questions nobody has studied: whether dosing needs adjusting given the increased blood-brain barrier permeability after injury, and whether psilocybin affects the autonomic dysfunction common after brain injury.¹ Adverse effects are documented in the clinical trials that exist for depression, including headache, nausea, anxiety, dizziness, and elevated blood pressure. Microdosing has much less behind it than full-dose research, since placebo-controlled studies in general populations have largely failed to beat placebo and none of the animal brain injury work used microdoses.

Psilocybin is a Schedule I controlled substance under United States federal law. A small number of states have decriminalized it, and Oregon and Colorado run regulated supervised-use programs. Nothing here is a recommendation to use it, and the law where you live decides whether it is even a conversation you can have with your doctor.

Safety and Sequencing

Evidence: clinical judgment, drawn from the sections above

• Emergency evaluation first, every time. Imaging rules out the things that kill people, nothing on this page substitutes for it, and delaying care to try something natural first is the most dangerous choice available here.
• Bleeding risk drives the ordering. Ginkgo and high-dose fish oil both affect clotting, so clear both with your physician and expect the answer to depend on your imaging and medication list.
• Seizure threshold. Post-traumatic seizures are a known complication of moderate and severe injury, so anyone with a seizure history or on antiepileptic medication needs supervision rather than a protocol from the internet.
• Add one thing at a time. Starting five things in one week teaches you nothing about which helped and which caused the headache, so give each addition three weeks and keep a short daily log of symptoms and sleep.
• Bacopa needs patience and food. Digestive upset is common, and trial effects took 12 weeks or longer to appear.
• Standardization matters. The trials used standardized extracts at defined doses, and a bulk powder of unknown potency is not the thing that was studied.
• Pregnancy, nursing, and children. None of these has adequate safety data in these groups for this use.

The research here is thin for structural reasons as much as scientific ones, since brain injury is heterogeneous, funding for nutritional and botanical interventions is scarce, and most of what exists is animal work or trials in adjacent populations. That does not make these approaches useless, but anyone presenting them as established treatment is going past the evidence, and confident claims in either direction deserve suspicion.

Want to go deeper on supporting recovery from a TBI?

This article gives you the overview and a few of the herbs + supplements. The course gives you the whole plan, module by module, built from my own recovery and my clinical training. Work through it in any order, come back to it as often as you need, and keep it for life. Every lesson labels how strong the evidence is and what to watch out for, so you can walk into your next appointment already knowing the questions to ask. All of it for $15, paid once:

• 8 modules and 24 lessons, with the evidence level and cautions on every one
• The brain-healing diet, macro and micronutrients, and hydration and mineral balance
• Four herbal lessons: neuroprotective herbs, adaptogens, anti-inflammatory herbs, and safe use
• Foundational and specialized supplements, with sourcing notes
• Hyperbaric oxygen, neurofeedback, acupuncture, red light, and craniosacral therapy, with what the research supports for each
• Sleep, healing environment, rehabilitation exercises, mind-body practices, and the emotional side of recovery

$15 · one-time · lifetime access Start the course

Where to Start

Evidence: sequencing drawn from the sections above

Nothing in this article replaces the plan you build with your physician, neurologist, or rehabilitation team, and the order below is how I would organize a conversation with them rather than a protocol to follow on your own. The lowest-risk items are food, sleep, and slow breathing, and they are the natural first topic because they have better support than most supplements sold for brain injury and rarely conflict with prescribed treatment. Gotu kola and bacopa are the herbs I would raise next, one at a time, with the standardized extracts and doses from the trials and a daily log your provider can review. Hyperbaric oxygen is worth asking about at any stage, since the studies showing improvement years after injury mean there is no deadline. Ginkgo belongs to a later conversation, after imaging has ruled out bleeding and a physician who knows your medications has cleared it, and psilocybin stays in the research column until human trials exist. Every addition, including the ones that seem harmless, should be on the list your care team sees.

Frequently Asked Questions

What should I do first after a head injury?

Get evaluated at an emergency department or urgent care, because bleeding and swelling inside the skull can develop over hours and are found with imaging rather than symptoms. Everything else in this article is for after that.

Can herbs heal a traumatic brain injury?

No. No herb has been shown to repair brain injury. The herbs here are studied for supporting cognition and lowering inflammation alongside medical care and rehabilitation.

Does gotu kola help after a concussion?

No trial has tested gotu kola in concussion patients. In healthy older adults, 750 mg daily of a standardized extract for two months improved working memory and reaction time in a placebo-controlled trial,² and animal studies show reduced brain swelling and new neuron formation. That figure is an extract dose and does not translate to dried whole herb, which is used at far higher amounts in traditional practice. Gotu kola has a clean safety record across the trials that exist, which makes it a reasonable herb to discuss with your physician and herbalist once you are past the acute phase.

How long does bacopa take to work?

Twelve weeks at minimum. Nearly every positive trial ran 12 weeks or longer, and short courses show nothing.¹⁰ Take it with a meal containing fat to reduce the digestive upset it commonly causes.

Can I take ginkgo after a head injury?

Not early and not without medical clearance, because ginkgo thins the blood and case reports link it to serious bleeding including intracranial hemorrhage.²⁴ It is a conversation for months or years into recovery, after imaging has ruled out bleeding and a physician has reviewed your medications.

What does the Supporting Recovery After Traumatic Brain Injury course cover?

Eight modules and 24 lessons on complementary approaches after brain injury: how the brain responds to injury, nutrition, herbal medicine, supplements, therapies such as hyperbaric oxygen and neurofeedback, lifestyle and rehabilitation, and the emotional side of recovery. Every lesson labels the strength of the evidence and the known cautions, so you can weigh it for yourself and bring it to your care team.

Is the course a substitute for medical care?

No. The course is educational and is written to sit alongside care from a physician, neurologist, or rehabilitation team, not in place of it. It does not diagnose or treat any condition, and it asks you to discuss anything you learn with your providers before making changes.

Who is the course for?

People living with a brain injury, family members and caregivers, and practitioners who want a reference for complementary approaches. It applies to recent injuries and to injuries that happened years ago.

How much does the course cost, and how long do I have access?

$15, paid once, with lifetime access. There is no subscription and no renewal.

Do I have to complete the course in order?

No. Progress after a brain injury moves in stages, so the lessons are built to be taken in any order and revisited as often as you need.

Sources

1. Palmer C, Ferber AT, Greenwald BD. The potential role of psilocybin in traumatic brain injury recovery: a narrative review. Brain Sciences, 2025.
2. Wattanathorn J, et al. Positive modulation of cognition and mood in the healthy elderly volunteer following the administration of Centella asiatica. J Ethnopharmacol, 2008.
3. Farhana KM, et al. Effectiveness of gotu kola extract 750 mg and 1000 mg compared with folic acid 3 mg in improving vascular cognitive impairment after stroke. Evid Based Complement Alternat Med, 2016.
4. Wright KM, et al. Pharmacokinetics and pharmacodynamics of a standardized Centella asiatica product in cognitively impaired older adults. Antioxidants, 2022.
5. Puttarak P, et al. Effects of Centella asiatica (L.) Urb. on cognitive function and mood related outcomes: a systematic review and meta-analysis. Scientific Reports, 2017.
6. Stough C, et al. The chronic effects of an extract of Bacopa monniera (Brahmi) on cognitive function in healthy human subjects. Psychopharmacology, 2001.
7. Stough C, et al. Examining the nootropic effects of a special extract of Bacopa monniera on human cognitive functioning: 90 day double-blind placebo-controlled randomized trial. Phytother Res, 2008.
8. Roodenrys S, et al. Chronic effects of Brahmi (Bacopa monnieri) on human memory. Neuropsychopharmacology, 2002.
9. Raghav S, et al. Randomized controlled trial of standardized Bacopa monniera extract in age-associated memory impairment. Indian J Psychiatry, 2006.
10. Kongkeaw C, et al. Meta-analysis of randomized controlled trials on cognitive effects of Bacopa monnieri extract. J Ethnopharmacol, 2014.
11. Pase MP, et al. The cognitive-enhancing effects of Bacopa monnieri: a systematic review of randomized controlled human clinical trials. J Altern Complement Med, 2012.
12. Hiskens MI, et al. Repetitive mild TBI-induced neurodegeneration and inflammation is attenuated by acetyl-L-carnitine. Front Pharmacol, 2023.
13. Depletion of brain docosahexaenoic acid impairs recovery from traumatic brain injury. PMC.
14. Mitigating traumatic brain injury: a narrative review of supplementation and dietary protocols, 2024. PubMed.
15. A potential role exists for nutritional interventions in the chronic phase of mild traumatic brain injury: a systematic review. PMC.
16. Lu HC, et al. Heart rate variability biofeedback for mild traumatic brain injury: a randomized-controlled study, 2023. PMC.
17. A double-blind randomized trial of hyperbaric oxygen for persistent symptoms after brain injury. Scientific Reports, 2025.
18. Hyperbaric oxygen therapy in children with post-concussion syndrome improves cognitive and behavioral function. PMC.
19. Miller RS, et al. Effects of hyperbaric oxygen on symptoms and quality of life among service members with persistent postconcussion symptoms. JAMA Intern Med, 2015.
20. Systematic review and dosage analysis: hyperbaric oxygen therapy efficacy in mild TBI persistent postconcussion syndrome. PMC.
21. Soveri A, et al. Working memory training revisited: a multi-level meta-analysis of n-back training studies. Psychon Bull Rev, 2017.
22. Lumosity to pay $2 million to settle deceptive advertising charges for its brain training program. Federal Trade Commission, 2016.
23. Nazeam J, et al. Ginkgo biloba as a promising candidate for traumatic brain injury. Chemistry and Biodiversity, 2026.
24. Impact of Ginkgo biloba drug interactions on bleeding risk and coagulation profiles. PLOS One, 2025.
25. Brengel EK, et al. Psilocybin as a treatment for repetitive mild head injury: evidence from neuroradiology and molecular biology. bioRxiv preprint, 2025.