Study: meditation makes you smile

NYTimes.com: “Dr. Davidson has discovered what he believes is a quick way to index a person’s typical mood range, by reading the baseline levels of activity in these right and left prefrontal areas. That ratio predicts daily moods with surprising accuracy. The more the ratio tilts to the right, the more unhappy or distressed a person tends to be, while the more activity to the left, the more happy and enthusiastic…. Dr. Davidson has established a bell curve distribution, with most people in the middle, having a mix of good and bad moods. Those relatively few people who are farthest to the right are most likely to have a clinical depression or anxiety disorder over the course of their lives. For those lucky few farthest to the left, troubling moods are rare and recovery from them is rapid….By chance, Dr. Davidson had the opportunity to test the left-right ratio on a senior Tibetan lama, who turned out to have the most extreme value to the left of the 175 people measured to that point.”