Anecdotally it seems obvious that people who stay physically active face old age with greater resilience than their more sedentary peers. A new study, analyzing over a decade’s worth of data might be just the motivation to get couch potatoes moving.

Cyrus Raji from the University of Pittsburgh have shown that loss in brain volume (a symptom of old age)  is decreased in those who are more physically active. A cohort of 299 adults (mean age of 78 years) were analyzed over the course of 13 years. After correcting for various factors, the Pittsburgh group concluded that walking around 72 More >