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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 […]
05/19/2026
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By Douglas Harrington
Magnesium Intake Linked to Larger Brain Volume, Reduced Brain Lesions in Study
Higher dietary magnesium intake is associated with larger brain volume and fewer white matter lesions, according to a study published in the European Journal of Nutrition. The findings suggest that magnesium, a mineral found in leafy greens, nuts, seeds, and legumes, may play a role in preserving brain structure as people age. Researchers analyzed data […]
05/16/2026
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By Douglas Harrington
Study: Oral Bacteria Use Chemical Signals to Coordinate Disease, Disrupting Communication May Improve Oral Health
A 2025 study published in npj Biofilms and Microbiomes by University of Minnesota researchers found that harmful oral bacteria coordinate their behavior through a process called quorum sensing, according to a report by NaturalNews.com [1]. The researchers reported that blocking these chemical signals with specialized enzymes called lactonases shifted the microbial community toward health-associated bacteria […]
05/16/2026
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By Douglas Harrington
Global Cases of Metabolic Liver Disease Surge 143% Since 1990, Study Finds
Overview A new global analysis published in The Lancet Gastroenterology & Hepatology reports that cases of metabolic dysfunction-associated steatotic liver disease (MASLD) have surged 143% since 1990, reaching an estimated 1.3 billion people in 2023, according to the study, as reported by registered dietitian Molly Knudsen. The condition, driven by metabolic risk factors including high […]
05/14/2026
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By Douglas Harrington
Study: Regular Exercise Linked to Higher Smoking Cessation Rates
A growing body of evidence indicates that regular physical activity may improve the likelihood of quitting smoking. According to a study published in the Oxford journal Nicotine & Tobacco Research, strength training significantly improved smoking cessation rates among smokers who had smoked for an average of 19 years, as reported by Mercola.com [1]. Another study from the […]
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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