Exercise is fruitless once dementia starts
Moderate-to-high intensity exercise does not slow cognitive impairment in older people with dementia, a large study shows.
The findings contradict the notion, as well as several smaller studies, that regular exercise has a neuroprotective effect.
In the latest trial, 494 people with mild-to-moderate dementia were split into two groups: an exercise group who performed regular supervised aerobic and strength exercise training, and a control.
While the exercise group showed increased physical fitness, this benefit did not translate into improvements in