From NBC news:  A walk a day may keep early death away

Here’s the “skinny:” (an excerpt)

The findings that a daily, stroll of 20 minutes may reduce a person’s risk of premature death by up to 30 percent are consistent… with the physical activity guidelines for Americans.

Related blog post:

Walking with a “Z” or an “X” | gutsandgrowth

Don’t Get Run Over When You Walk