Mercola iPhone Apps
Available on the
iPhone App Store

Free Download

Archive for the ‘Mental Health’ Category


Does Yawning Help Keep Your Brain Cool?

Posted on May 11th, 2012 by author  |  No Comments »

Why do people yawn? This involuntary action, which people do as early as 11 weeks after conception, is often associated with exhaustion and boredom. At the moment, a number of theories have been formulated to define the purpose of yawning. Dr. Joseph Mercola enumerates several theories on why people yawn. Theory #1: Yawning Affects Your […]