"That the average adult spends 50 to 70 percent of their day sitting is no surprise to anyone who works in an office environment. But few realize the health consequences they are suffering as a result of modernity's increasingly sedentary lifestyle, or the effects it has had on society at large. In Get Up! , health expert James A. Levine's original scientific research shows that today's chair-based world, where we no longer use our bodies as they...