Related Episodes for How Alcohol Affects Brain Structure and Dementia Risk

“A 12-month randomized controlled trial found that vitamin D supplementation improved cognitive function, intelligence quotient scores, telomere length, and lowered oxidative stress markers in older adults with mild cognitive impairment (compared to placebo), suggesting that not only does vitamin D supplementation improve biomarkers of aging, but also functional outcomes.”

“A 2025 meta-analysis found improved quality of life, no clear overall change in ejection fraction, and a borderline improvement in New York Heart Association functional class across a small set of trials.”

“Pooled intervention data suggest that about 1.5 to 2 grams of combined EPA and DHA per day can raise the Omega-3 Index in many adults over several months, although individual responses vary.”

“Peak plasma flavan-3-ol metabolites after the banana smoothie were 84 percent lower than after the capsule, while the low-PPO berry smoothie produced levels similar to the capsule. PPO is released when plant tissue is cut, bruised, or blended and can react with selected polyphenols before they reach circulation.”

“A separate cohort of 12,388 adults associated vitamin D exposure with 40 percent lower dementia incidence, and a 12-month randomized trial of 183 older adults with mild cognitive impairment found improvements on several cognitive tests with 800 IU per day.”