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News & Articles By Douglas Harrington
09/21/2026
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By Douglas Harrington
Study Links Exercise, Liver Enzyme GPLD1 to Blood-Brain Barrier Repair
A study published in the journal Cell by researchers at the University of California, San Francisco, has identified a direct biological pathway linking exercise to brain health, according to the study. The research, conducted at the UCSF Bakar Aging Research Institute, found that physical activity prompts the liver to release an enzyme called GPLD1, which […]
09/09/2026
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By Douglas Harrington
Study Finds Exercise and Naps Both Aid Memory After Sleep Loss
A study involving 54 adults aged 18 to 35 found that both a 20-minute exercise session and a 90-minute nap improved memory performance after 30 hours of sleep deprivation, according to researchers. The participants were divided into three groups: one cycled at moderate to vigorous intensity for 20 minutes, one napped for 90 minutes, and […]
08/13/2026
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By Douglas Harrington
Exercise May Help Aging Brain Clear Waste, Study Says
Exercise May Aid Brain Waste Clearance, Study Finds Regular exercise may help the aging brain clear metabolic waste, according to a review led by James Broatch, a researcher at Victoria University. The peer-reviewed paper, ‘Exercise as a regulator of glymphatic function,’ was published Aug. 10 in the journal Trends in Neurosciences. Researchers examined existing animal […]
07/31/2026
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By Douglas Harrington
Study Links Metabolic Syndrome to Early-Onset Dementia, Herbal Teas Proposed as Supportive Therapy
Study Links Metabolic Syndrome to Early-Onset Dementia A 2025 study published in Neurology found that middle-aged adults with metabolic syndrome had a 24% higher risk of developing early-onset dementia before age 65, according to the article. Researchers analyzed health data from nearly two million South Koreans between the ages of 40 and 60, officials said. […]
07/29/2026
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By Douglas Harrington
Ginkgo Biloba Shows Benefit for Dementia Symptoms, Not Prevention, Review Finds
Study Overview and Key Findings A systematic review of natural compounds for Alzheimer’s disease, covering more than three decades of research, has found that ginkgo biloba extract provides measurable benefits for patients already diagnosed with dementia but does not prevent the onset of the disease. The analysis, which drew on 31 rigorously designed studies, highlighted […]
07/28/2026
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By Douglas Harrington
Study Links Grip Strength to Cognitive Decline Risk in Older Adults
A study of 4,656 adults aged 60 and older in Colombia found that low grip strength, not obesity, was associated with higher odds of cognitive impairment and probable dementia, according to research published in Frontiers in Nutrition. The study divided participants into four groups based on obesity status and grip strength measurements, officials said. Low […]
07/20/2026
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By Douglas Harrington
Study: Low Vitamin B12 Levels Linked to 33% Higher Dementia Risk in Older Adults
Adults over age 50 with consistently low vitamin B12 levels had a 33% higher risk of developing all-cause dementia compared to those with levels in the normal range, according to a study published in Frontiers in Nutrition. The observational study analyzed electronic health records from the TriNetX Global Collaborative Network, including more than 258,000 adults […]
07/14/2026
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By Douglas Harrington
House to Vote on Making Daylight Saving Time Permanent
The U.S. House of Representatives is scheduled to vote Tuesday, July 14, on legislation that would make Daylight Saving Time (DST) permanent across most of the country, according to a notice posted July 9 by House leadership. [1][2] The Sunshine Protection Act, sponsored by Rep. Vern Buchanan (R-FL), would end the twice-yearly clock change in […]
07/07/2026
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By Douglas Harrington
Study Links Light and Vigorous Exercise to Improved Sleep in Older Adults With Mild Cognitive Impairment
A study published in the journal Digital Health has found that both light and vigorous physical activity are associated with fewer sleep disruptions in older adults with mild cognitive impairment, with vigorous activity showing the strongest benefit, according to researchers from Texas A&M University. The study, which used wearable sensors to track movement and sleep […]
05/25/2026
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By Douglas Harrington
Study: Caffeine Enhances Sensory-Motor Brain Communication in Healthy Adult
A randomized, double-blind, placebo-controlled crossover trial has found that 200 milligrams of caffeine improves short-latency afferent inhibition (SAI), a measure of how the brain integrates sensory input with motor output, according to a report published in a peer-reviewed journal. The study involved 20 healthy adults and used transcranial magnetic stimulation (TMS) to assess SAI before […]
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