Eating more plants linked to lower risk of dementia, even in older age

Eating a high-quality plant-rich diet that includes whole grains, vegetables, and fruits may prevent cognitive impairment — even when people start that diet in their late 50s and 60s, according to a new study. "It's never too late to start eating healthy to lower the risk of Alzheimer's disease and related dementias," said senior author Unhee Lim, a professor of population sciences at the University of Hawaii Cancer Center in Honolulu, in an email. Older adults who cut many unhealthy foods from their diet over a decade had a 11% lower risk of Alzheimer's and dementia when compared with adults...