Category Archives: Government/Research

Hidden Price of a Cruise: Hantavirus’ Effect on the Brain

A cruise though the South Atlantic sounds like a dream vacation, but for eighteen Americans, the trip ended as a nightmare. After MV Hondius returned to the United States on May 11, two passengers were placed in biocontainment units because they had developed Andes virus, a strain of the hantavirus. The World Health Organization confirmed this, with eight cases and three deaths reported as of May 8.

In relation to the neurological effects of the virus, hantavirus pulmonary syndrome invades the brain indirectly. Drawing on cases traceable to the 1993 American Southwest outbreak and documented in NLM PubMed literature as far back as 1998, the Journal of the International Neuropsychological Society found that hantavirus pulmonary syndrome survivors exhibited cognitive impairments immediately after acute hospitalization and again at a one-year follow-up, with memory deficits resembling those seen in patients who have suffered brain anoxia, starving the brain of oxygen in a way that mirrors traumatic anoxic injury. Some research also suggests the virus may damage the blood-brain barrier, producing CNS symptoms including headache, insomnia, and vertigo, though this remains incompletely understood. Lasting effects include fatigue, memory loss, and attentional deficits.

Treatment mirrors the approach taken with other forms of acquired brain injury: supportive intensive care, cognitive rehabilitation, and neuropsychological monitoring. A 2024 multicenter cohort study of Andes virus survivors in Chile found that 61.9% reported incomplete recovery at three to six months post-onset, with clustering of both physical and neuropsychological symptoms across patient groups regardless of whether they required extracorporeal membrane oxygenation.

Responding to the 2026 cruise ship outbreak, Admiral Brian Christine, the Department of Health and Human Services’ assistant secretary for health, told reporters, “Let me be crystal clear: the risk of hantavirus to the general public remains very, very low. The Andes variant of this virus does not spread easily.” While the virus can be spread from person-to-person, Andes virus spreads primarily through contact with the urine, saliva, or droppings of infected rodents. Unfortunately, there is currently no approved vaccine for hantavirus pulmonary syndrome in the United States.

Pregnant Brain’s Resilience Comes With Risk

Diagram showing pregnant woman with brain regions labeled for hormone regulation, emotional processing, memory, planning, and neural plasticity, plus uterus and fetus.

As any person who has given birth will confirm, pregnancy transforms nearly every system in the body. The brain is no exception to this change. Much of this neurological alteration is remarkably positive, but, as with other major body occurrences, some of it is genuinely alarming.

Estrogen and progesterone, which surges throughout pregnancy, are now being studied as neuroprotective and neuroregenerative agents in strokes and other brain injuries. Research shows these hormones can reduce the injury cascade by enhancing antioxidant mechanisms, reduce excitotoxicity, and stimulate remyelination. As researchers put it: “Estrogen seems more effective as a prophylactic treatment in females at risk for ischemic brain injury, whereas progesterone appears more helpful in post-injury treatment of both male and female subjects with acute traumatic brain damage.” Additionally, the 2022 Rotterdam Study, available on PubMed, examined 2,835 women over decades, finding that pregnancy and childbirth are associated with a robustly larger global gray matter volume that persists for decades.

The story, though, isn’t all rosy. More recently, contradictory study results have been found. 2025 MRI research published in the International Journal of Molecular Sciences, found on PubMed, showed that pregnancy reduces total cortical gray matter volume by an average of 3%, with losses concentrated in regions linked to social cognition and self-awareness. More acutely, an estimated 7.7 – 15% of all maternal deaths worldwide are caused by stroke, and 30 – 50% of surviving women are left with persistent neurological deficits. “Female stroke survivors were more than twice as likely as their stroke-free counterparts to have another stroke while pregnant and in the six weeks after childbirth,” reported the 2026 American Stroke Association International Stroke Conference.

Ultimately, the pregnant brain endures, often emerging stronger. But, as with every activity that has a significant effect on the body’s function, proper monitoring is required, with even more caution needed for those with a history of brain injury.

Tiny “Brain” Yields Big Answers About Concussions

Gloved hand holding tweezers manipulating a miniature brain organoid in a petri dish on a lab bench

What if a pea-sized cluster of lab-grown cells could unlock the mysteries of brain injury? Researchers at the University of Cincinnati’s College of Engineering and Applied Science have been doing just that:

Reported by UC on April 21, 2026, UC Assistant Professor Volha “Olga” Liaudanskaya has engineered a tiny, functioning replica of human brain tissue that researchers can safely study. Termed a “mini-brain”, these lab-grown models combine three types of brain cells with two vascular cell types. This, then, creates a complex five-cell system she can observe in living tissue. Simulating concussions and mild traumatic brain injuries on this model, UC engineers can uncover how blunt-force impacts trigger cellular chain reactions that may ultimately lead to long-term neurodegenerative diseases. (Prior models lacked the vascular components, which researchers now recognize as key, driving brain inflammation and degeneration, perhaps reshaping how America protects its athletes, veterans, and kids.)

According to 2026 estimates by the Centers for Disease Control and Prevention, children alone sustain nearly 4 million concussions every year, so the results of this “mini” innovation may be enormous.

Morning Joe’s Benefits Come with Caution for TBI Survivors

brain made of coffee swirling

The day doesn’t truly begin until that first cup of coffee is in hand for a countless number of people. It’s ritual, comfort, and fuel! However, what does caffeine do to an injured brain?

According to a June 2025 article from Nutrients, a peer-reviewed journal that is also available on PubMed, research revealed that caffeine can function both as a neuroprotectant and a neurotoxin for those with a traumatic brain injury. Whether it can be a boon or a burden hinges on dosage, timing, and context. At low-to-moderate amounts, such as a morning brew, caffeine may reduce TBI-associated inflammation, oxidative stress, and intracranial pressure, enhance alertness and reduce mental fatigue, critical for cognitive rehabilitation. On the other hand, in young people experiencing repetitive moderate TBI, it was found that caffeine consumption disrupts normal brain pruning processes. This can potentially lead to further neurological and behavioral impairments.

Adding to this complex connection, Neuropharmacology, a journal that focuses on research about neuroscience that can also be found on PubMed, published the findings of a 2026 University College London study about caffeine citrate, a medication used to treat a lack of breathing in premature babies: while intended to stimulate breathing centers, higher doses of caffeine citrate can result in toxicity. (However, it appears that the “babies” that were studied were piglets.)

The takeaway is similar to that of other treatment possibilities: your coffee habit may be doing your brain favors – or not – so caution is warranted.

What the Reclassification of Marijuana Means for the Brain Injured

“Justice Department Places FDA-Approved Marijuana Products and Products Containing Marijuana Subject to a Qualifying State-issued License in Schedule III, Strengthening Medical Research While Maintaining Strict Federal Controls.” This headline, which appeared on the Department of Justice’s official website on April 23, 2026, refers to the Executive Order signed by President Trump.

Advocates and politicians have pushed for this change for years, arguing cannabis carries undeniable medical value. As of April 2026, medical marijuana use is legal in 40 states. Following many years of federal research that confirmed the potential benefits of marijuana use for medical conditions, this Executive Order reclassifies state-licensed medical marijuana from Schedule I, the most restrictive federal drug category, to the less regulated Schedule III. Acting Attorney General Todd Blanche stated the decision, “allows for research on the safety and efficacy of this substance, ultimately providing patients with better care and doctors with more reliable information.”

For brain injury survivors, the implications may be significant. One study, available on PubMed, found that patients with acquired brain injury have reported improvements in mood, anxiety, headache, sleep, and quality of life through medical cannabis use. Government-funded research also indicates that the non-psychoactive cannabis compound CBD, and THC, the primary psychoactive compound in cannabis that is responsible for the “high”, may be effective for pain management, anxiety, and insomnia, all of which are common symptoms following brain injury. (These benefits are debatable. Another major analysis found that medicinal cannabis does not effectively treat anxiety, depression, or PTSD, and may even worsen mental health in some cases.)

As always, caution is warranted. The CDC has proven that cannabis use affects brain development. Beyond brain development, a 2024 CDC report states, “cannabis use directly affects brain function — specifically the parts of the brain responsible for memory, learning, attention, decision-making, coordination, emotions, and reaction time.” Chronic marijuana consumption may reduce dopamine responsivity, increase negative emotionality, and induce anhedonia, meaning a reduced ability to experience pleasure or a loss of interest in previously enjoyed activities. These possible negative consequences are a significant concern for survivors, who already have cognitive issues and may struggle with low motivation.

While this rescheduling opens the door to better science, always consult a physician before using cannabis.

PEGASUS Takes Flight for Kids with Brain Injuries

Winged horse merged with a glowing brain and neural patterns against a cosmic background

When a child arrives at an ICU with severe traumatic brain injury, every minute counts and every decision matters. That’s exactly the problem the Pediatric Guideline Adherence and Outcomes (PEGASUS) program was built to solve.

Developed in 2011 at the Harborview Medical Center, a Level I Trauma Center affiliated with the University of Washington School of Medicine, PEGASUS was created to close the so-called “know-do” gap, translating Brain Trauma Foundation guidelines into bedside practice. The program trains key staff, redesigns workflows, and provides ongoing coaching.

Published in Critical Care Medicine on March 27, 2026, a new study shows the model can reach far beyond Seattle. Across 16 hospitals in Argentina, Chile, and Paraguay, children with isolated severe traumatic brain injury at PEGASUS hospitals showed 8 percentage points higher guideline adherence than those receiving standard care. This determination came from the first randomized trial of an implementation science approach to improving care in adult or pediatric traumatic brain injury.

The reach of PEGASUS is backed by federal investment: the study was supported by a grant from the U.S. National Institute of Neurological Disorders and Stroke. As Dr. Monica Vavilala of UW Medicine clarified, this approach can be adopted by hospitals around the world, whether or not they are Level I Trauma Centers.

Federal Government Joins States in Psychedelic Exploration

This morning, April 18, 2026, the federal government joined many states by committing to exploration of a brain injury treatment – “President Trump on Saturday signed an executive order to expedite research into the psychedelic ibogaine – a drug championed by podcaster Joe Rogan – so it can be used to treat PTSD in veterans and traumatic brain injuries,” reported the New York Post.

Heavily championed by the Secretary of Health and Human Services Robert F. Kennedy, ibogaine has recently been gaining a reputation for its treatment possibilities. Last month, March 1, 2026, the New York Times reported on one man’s treatment story. Due to federal limitations, he had to visit Mexico to be treated with  ibogaine. (In the United States, clinical studies began at Stanford University in 2022. Results have strongly suggested that ibogaine is effective in treating traumatic brain injury.)

Generation Alpha’s Trending Trauma

Speaker presenting to attentive diverse audience about online safety and 'Blackout Challenge' risks and prevention

In February 2026, nine-year-old JackLynn Blackwell died in her Stephenville, Texas backyard with a cord around her neck after seeing the “blackout challenge” online. A repackaging of the “choking game” that was first catalogued by the CDC in 2008, the blackout challenge is causing yourself to pass out. (This, in turn, causes “permanent, irreversible brain damage”.) It exploded on TikTok in 2021, as the For You algorithm began pushing self-strangulation videos to young users chasing a brief euphoric high from cerebral hypoxia. The trend has shown its lasting power: In South Orange Middle School in New Jersey, two students passed out after engaging in the challenge in 2024.

The blackout challenge has been noticed by politicians: on October 8, 2024, a bipartisan coalition of 14 attorney generals filed separate enforcement actions. “TikTok claims that their platform is safe for young people … [but] young people have died or gotten injured doing dangerous TikTok challenges,” remarked the group’s co-leader Letitia James (NY). In a March 23, 2026 press release, Congressman Jimmy Patronis (FL) stated, “As a parent, I cannot ignore the very real danger [the blackout challenge] poses to our children. Too many families have already suffered unimaginable loss.”  

Beyond concern, this childhood “thrill-seeking” has prompted some schools to take action. In New York, New Jersey and other states, schools have issued parental advisories in an attempt to protect children’s developmentally immature brains. One can hope that this trend is waning in popularity, and will soon be remembered only as an unfortunate episode in Generation Alpha’s past.

GLP-1 Drugs Surprising Neuroprotective Qualities

Diagram of GLP-1 (7-36) amide peptide showing amino acid sequence, side chains, chemical formulas, and α-helix structure

The weight-loss drug semaglutide, sold under the names Ozempic and Wegovy, may do far more than shrink waistlines. Research suggests it could also shield the brain after traumatic injury.

A 2026 study published in Neural Regeneration Research by scientists at Beijing Tiantan Hospital, and available in the PubMed database, found that semaglutide reduced brain swelling, preserved the blood-brain barrier, and blocked dangerous inflammatory cascades in mice with traumatic brain injuries. “Our findings reveal the dual anti-inflammatory and neuroprotective roles of semaglutide, providing important preclinical evidence for its clinical application in the acute phase of traumatic brain injury,” the researchers wrote.

The possibilities are enormous. Last year, a University of Wisconsin–Madison retrospective study of more than two million stroke patients found that those taking semaglutide had a mortality rate of just 5.26%, compared with 21.61% for non-users.

While human clinical trials for TBI are still needed, scientists say GLP-1 drugs represent the most promising new avenue for brain injury treatment in decades.

Study Bolsters Push for Personalized Treatment

Poster with the text 'Every Brain Injury is Different' overlaid on abstract neural network graphics

A study published in the journal Neurology (epub April 3, 2026; print April 28, 2026), and currently available through the NLM PubMed database, reveals evidence that traumatic brain injuries affect each person’s brain in remarkably unique ways. While such a scientific revelation may seem evident to survivors, it challenges one-size-fits-all treatment approaches.

Researchers led by Jake Mitchell of Monash University (Australia) analyzed brain scans from 407 TBI patients and 224 healthy controls using normative modeling, a technique that measures individual brains against healthy population norms much like pediatric growth charts.  Co -authored by researchers at the VA Palo Alto Healthcare System, the study found that no more than 23% of patients shared an extreme deviation in the same brain region.

The findings help explain why nearly 30 clinical trials for acute TBI treatments have failed to identify effective therapies. The study results also bolster the case for personalized brain injury medicine.