By Christine Hsu | Jan 25, 2013 05:53 PM EST
A daily stroll around the park switches on a brain process that can help protect the brain against Alzheimer's disease, according to a new study.
By Christine Hsu | Jan 15, 2013 04:39 PM EST
Taking a short stroll just four times a week may reduce the risk of early death by an astonishing 40 percent in older people.
