Watching too much TV in midlife may shrink the brain For decades, warnings have been issued about the dangers of a sedentary lifestyle.
However, new research from the University of Southern California suggests that what matters is not just the quantity of sitting time but also the quality of activities done while seated.
A study published in Alzheimer's and Dementia: Journal of the Alzheimer's Association found a link between frequent TV viewing in midlife and smaller brain regions, as well as more damage to the brain's white matter – changes associated with aging, stroke risk, cognitive decline, and dementia.