Health
Red light therapy could boost brain health in certain groups, new research suggests
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Red light therapy has been shown to reduce brain inflammation, protecting people who experience head trauma from long-term health consequences, a University of Utah study has shown.
Brain damage from repeated impact over the years is known to cause cognitive symptoms, ranging from memory issues to full-blown dementia, particularly affecting soldiers and athletes.
Chronic traumatic encephalopathy (CTE) is a progressive, degenerative brain disease linked to repeated head impacts rather than a single injury, according to Mayo Clinic.
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More than 100 former NFL football players have been posthumously diagnosed with CTE, according to the new study, which was published in the Journal of Neurotrauma.
Other research has shown that military personnel in active combat suffer from similar issues, as do first responders and veterans.
The treatment was administered three times a week for 20 minutes using specialized headsets and intranasal devices designed to penetrate the skull. (iStock)
In the new study, the researchers recruited 26 current football players to understand more about the impact of red-light therapy on brain injuries.
The participants received either red light therapy delivered by a light-emitting headset and a device that clips into the nose, or a placebo treatment with an identical device that doesn’t produce light. Players self-administered the therapy three times a week, 20 minutes each time, for 16 weeks.
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“My first reaction was, ‘There’s no way this can be real,’” said first author Hannah Lindsey, Ph.D., in the university press release. “That’s how striking it was.”
Specific wavelengths of light are believed to enter the brain and reduce molecules that trigger inflammation, potentially halting the path toward dementia and other cognitive conditions. (iStock)
Players using the placebo treatment experienced increased brain inflammation over the course of the season. Magnetic resonance imaging (MRI) scans taken at the end of the season showed significantly more signs of inflammation than at the beginning of the season, the study found.
For players who used red-light therapy during the season, their brain inflammation didn’t increase at all.
ALZHEIMER’S RISK COULD RISE WITH COMMON CONDITION AFFECTING MILLIONS, STUDY FINDS
Previous studies have shown that red light, if powerful enough, can penetrate the skull and reach the brain, where it may reduce inflammation-related molecules.
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“When we first started this project, I was extremely skeptical,” said Elisabeth Wilde, Ph.D., the senior author on the study. “But we’ve seen consistent results across multiple of our studies, so it’s starting to be quite compelling.”
Study limitations
The study was conducted using a small sample size, which led to different levels of inflammation in the treatment and control groups, the researchers acknowledged.
While the placebo group showed increased brain inflammation during the football season, those receiving red light therapy showed no increase in inflammatory markers. (iStock)
Future large randomized clinical trials will be “crucial to back up the results” in larger populations, they noted.
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“We’ve been trying to figure out how to make sports safer, so that our kids, friends and family can participate in sports safely for the long term while they’re involved in activities that give them happiness and joy,” Carrie Esopenko, Ph.D., second author of the study, said in the release.
“And this really feels like part of the hope for protecting the brain that we’ve been searching for.”
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The team plans to recruit 300 people with persistent symptoms from TBI or concussion for a randomized controlled trial in 2026, with a focus on first responders, veterans and active-duty service members.
Health
Dementia risk signals could lie in simple blood pressure readings, researchers say
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Simple measurements taken during routine blood pressure checks could predict dementia risk years before symptoms appear.
That’s according to new research presented this week at the American College of Cardiology’s Annual Scientific Session in Louisiana.
The findings draw on two studies led by researchers at Georgetown University, which suggest that monitoring how blood vessels age and stiffen over time can provide a window into future cognitive health.
LURKING DEMENTIA RISK EXPOSED BY BREAKTHROUGH TEST 25 YEARS BEFORE SYMPTOMS
Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age, and half of U.S. adults have high blood pressure (hypertension).
Scientists believe that efforts to better address hypertension, a key contributor to heart disease and a risk factor for dementia, could affect both cardiac and brain health.
Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age. Meanwhile, half of U.S. adults have high blood pressure. (iStock)
“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health,” Dr. Newton Nyirenda, the study’s lead author and an epidemiologist at Georgetown University in Washington, said in a press release.
The research focused on two metrics, the pulse pressure-heart rate index and estimated pulse wave velocity. Both were calculated using data collected during standard doctor visits, such as heart rate, age and blood pressure.
“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health.”
Researchers examined five years of data patterns for more than 8,500 people in the SPRINT trial, a large study of adults 50 years and older with hypertension. In the follow-up, 323 of the participants developed probable dementia.
HIDDEN BRAIN CONDITION MAY QUADRUPLE DEMENTIA RISK IN OLDER ADULTS, STUDY SUGGESTS
In one study, the team found the pulse pressure-heart rate index was a strong independent predictor of dementia risk in adults over 50. For participants under 65, every one-unit increase was associated with a 76% higher risk of developing dementia.
For participants under 65, an increase in the pulse pressure-heart rate index was associated with a 76% higher risk of developing dementia. (iStock)
The second study found that adults with consistently elevated or rapidly increasing pulse wave velocity were more likely to develop dementia than those with stable velocity, even after accounting for factors like smoking, gender and cardiovascular history.
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“Our findings suggest that vascular aging patterns may provide meaningful insight into future dementia risk,” said Nyirenda. “This reinforces the idea that managing vascular health earlier in life may influence long-term brain health.”
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The team emphasized that clinicians should tailor risk assessments and treatment strategies to the individual.
Further studies are needed to confirm these parameters and determine whether changing vascular aging trajectories reduces dementia risk. (iStock)
“You don’t want to wait until a patient starts manifesting cognitive decline before you act,” said senior study author Sula Mazimba, an associate professor at the University of Virginia.
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Researchers noted the study could not establish causation. Other limitations included the fact that participants already had hypertension and elevated cardiovascular risk, meaning the findings may not apply to people without those conditions.
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Further studies are needed to confirm these findings and to determine whether improving blood vessel health over time could reduce dementia risk.
Health
Everything You Need To Know About Zepbound for Weight Loss, Including Costs
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Health
‘Gas station heroin’ banned in another state amid nationwide crackdowns
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A dangerous substance dubbed “gas station heroin” continues to alarm medical professionals, with more states making moves to restrict or ban tianeptine.
Fourteen states have officially classified the tricyclic antidepressant as a Schedule I controlled substance.
Connecticut is the latest state to crack down, officially banning the sale and use of the substance starting on Wednesday.
HEALTH OFFICIALS WARN OF DANGEROUS SUBSTANCE AVAILABLE IN STORES ACROSS THE NATION
Tianeptine, which can produce euphoria in higher doses, can be more potent than morphine and addictive opioids, according to the U.S. Food and Drug Administration.
Some countries have taken steps to restrict how tianeptine is prescribed or dispensed, and have even revised the labels to warn people of its potential addictive qualities.
Tianeptine can be more potent than morphine and addictive opioids. (iStock)
Misuse of tianeptine can cause severe adverse health effects, including respiratory depression, severe sedation and death, according to the Drug Enforcement Administration.
Some companies market the drug as an aid for pain, anxiety and depression, or as a means of improving mental alertness in a pill, powder, salt or liquid form.
The products are typically sold at convenience stores, gas stations, vape shops and online retailers, and go by names like Tianaa, ZaZa, Neptune’s Fix, Pegasus and TD Red.
Connecticut is the 15th state to classify tianeptine as a Schedule I controlled substance. (Markus Scholz/picture alliance via Getty Images)
Connecticut Lt. Gov. Susan Bysiewicz said in a press release that the schedule change is a necessary step to combat addiction.
“With false marketing that led consumers to believe these are safe products, and with candy-like flavor options, these substances posed a clear threat to those battling substance-use disorder and our youngest residents,” she added.
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The Nutmeg State also added Mitragyna speciosa (kratom), 7-hydroxymitragynine, Bromazolam, Flubromazolam, Nitazenes and Phenibut to the schedule classification.
Earlier this month, FDA Commissioner Martin Makary penned a letter sounding the alarm on what he called a “dangerous and growing health trend.”
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“I am very concerned,” Makary wrote. “I want the public to be especially aware of this dangerous product and the serious and continuing risk it poses to America’s youth.”
New York-based Robert Schwaner, M.D., vice chair of system clinical affairs at Stony Brook Emergency Medicine, told Fox News Digital that the FDA has never approved tianeptine as a dietary supplement.
“As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.” (Dekalb County Sheriff’s Office)
“The euphoria at low doses is primarily due to increased serotonergic activity from its serotonin reuptake effects. With increasing doses, the mu-opioid receptor stimulation may become lethal,” said Schwaner. “As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.”
Schwaner said he believes the substance requires national regulation due to its addictive qualities.
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“Acting at the same receptor as opioids, tianeptine has the potential for an individual to develop tolerance, subsequent dependence and withdrawal from its use,” he cautioned.
Fox News Digital reached out to the FDA for comment.
Fox News Digital’s Greg Wehner and Melissa Rudy contributed to this report.
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