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News & Articles By Douglas Harrington
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 […]
05/24/2026
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By Douglas Harrington
Study: Moderate Coffee Consumption Linked to 35% Lower Dementia Risk
Drinking two to three cups of caffeinated coffee daily was associated with a 35% lower risk of developing dementia in adults under 75, according to a large long-term study published in JAMA. The research followed 131,821 nurses and healthcare professionals for up to 43 years, beginning when participants were in their early 40s. Over the […]
05/18/2026
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By Douglas Harrington
Study Links One Night of Sleep Loss to Alzheimer’s-Like Brain Changes
A review of studies by researchers at the University of Ibadan in Nigeria found that even a single night of sleep deprivation can trigger brain changes resembling early Alzheimer’s disease. According to the report published in IBRO Neuroscience Reports, the changes include weakened connections between neurons, inflammation, and accumulation of toxic proteins beta-amyloid and tau. […]
05/06/2026
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By Douglas Harrington
Study Finds Association Between Midlife Vitamin D Levels and Reduced Tau Protein Decades Later
Introduction A long-term study published in April 2026 has found that higher vitamin D levels in midlife are associated with lower levels of tau protein in the brain approximately 16 years later. Tau protein accumulation is considered a key biomarker for Alzheimer’s disease. The research, published in Neurology Open Access, followed 793 adults over 16 years […]
04/27/2026
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By Douglas Harrington
Study Links Lifelong Cognitive Engagement to Reduced Alzheimer’s Risk
Study Overview A study published in the journal Neurology in February 2026 followed 1,939 adults with an average age of 80 over eight years. Researchers at Rush University Medical Center measured lifetime cognitive enrichment from childhood to old age. Participants with the highest enrichment had a 38% lower risk of Alzheimer’s disease compared to those […]
04/21/2026
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By Douglas Harrington
Research Suggests Citicoline May Help Adults Experiencing Cognitive Decline
Introduction A 2023 systematic review of clinical research has concluded that supplementation with citicoline, a naturally occurring brain compound, shows positive effects on cognition in individuals diagnosed with mild cognitive impairment (MCI). The review, published in the journal Nutrients, analyzed findings from seven studies involving participants with Alzheimer’s disease, vascular cognitive impairment, Parkinson’s-related MCI, and post-stroke cognitive […]
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