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“In addition, a randomized, placebo-controlled, double-blind trial involving people diagnosed with mild-to-moderate dementia due to Alzheimer's disease found that participants who took a resveratrol supplement twice a day (up to 1 gram) for one year exhibited reduced levels of MMP9, a neurological inflammatory marker associated with increased neurodegeneration and inflammation.”
“While aerobic exercise is often viewed preferentially through the lens of cardiovascular health, the diverse cascade of biological effects from exercise as a whole — and aerobic exercise, in particular — culminate to make it one of the most formidable and immediately practical real-world interventions for human aging and the brain.”
“Removing former drinkers from the non-drinker category reveals a different story: One study observed that the lowest risk for cardiovascular disease (i.e., ischemic heart disease) was right below one standard U.S. drink per week — men and women at this level of consumption had an ~18% lower risk compared to nondrinkers.”
“Caloric restriction, a potent inducer of autophagy, extends lifespan in many organisms but also reduces the risk of many age-related chronic diseases, such as diabetes, cardiovascular disease, cancer, and brain atrophy – likely attributable to the beneficial effects of autophagy.”
“Assessments of episodic memory based on a battery of cognitive tests demonstrated that the rate of cognitive decline experienced by healthy, older people who had amyloid-beta protein accumulation in their brain and who were APOE4 and BDNF Met carriers was roughly three times the rate of decline among those carrying only the BDNF Val allele (the more common form of the gene that retains valine).”
“A mouse study demonstrated that oral berberine (50 or 100 mg/kg/bw per day) reversed the depression-inducing effects of corticosterone injection by upregulating hippocampal synthesis of brain-derived neurotrophic factor – a type of protein that acts on neurons in the central and peripheral nervous systems and may be important for the antidepressant response.”
“However, two small, randomized, double-blind, placebo-controlled experiments in which participants received BHB supplements (as ketone salt or ketone monoester) found that various markers of NLRP3 inflammasome activation, including caspase-1 and interleukin 1-beta, increased, suggesting that the ketones may have unintended proinflammatory effects.”
“DAMPs such as HMG-1 bind to TLR4 and receptors for advanced glycation end products (RAGE) on cells at the blood-brain barrier to induce an immune response that initially inhibits the deposition of amyloid-beta, a key feature of Alzheimer's disease progression.”
“The most useful next studies would directly test banana-blueberry combinations, compare standardized berry preparations, identify which populations benefit, and follow clinical outcomes rather than relying only on surrogate markers.”
“Microbial production of short-chain fatty acids, including acetate and propionate, occurs in the colon during the fermentation of indigestible fibers found in plant foods such as legumes, fruits, nuts, cereals, and whole grains.”