Tag
Brain health
Page 4 of 15
Vitamin K from leafy greens tracked 14% less dementia over 28 years; the other form went the wrong way
Vitamin K comes in two forms and the supplement industry prefers K2. Following 54,968 Danes for up to 28 years, higher K1 intake tracked lower dementia risk while higher K2 tracked higher, which is the opposite of the marketing.
Sep 1, 2026
Women who used estrogen-only hormone therapy had less Alzheimer's damage in 2,959 autopsied brains
Hormone therapy and dementia have been argued about for 25 years, mostly from questionnaires. A Neurology team went to the tissue instead, and found lower odds of Alzheimer's pathology at autopsy among women who had used estrogen.
Aug 30, 2026
Plant-based low-carb eating tracked 15% less dementia over nine years, whatever the genetic risk
A low-carbohydrate diet and a low-fat diet look symmetrical on paper. Across 5,301 Americans followed for nine years they were not: the low-carb score tracked less dementia, the low-fat score did not, and the food sources decided both.
Aug 30, 2026
Ten hours of cognitive rehab lifted daily function in long COVID, where no treatment is proven
A JAMA Network Open trial gave 78 adults with cognitive impairment ten weekly sessions built around their own goals. The effect at three months was large by the standards of any behavioral trial, and it was still there at six months.
Aug 28, 2026