By Amanda Gardner
Washington Post
Wednesday, July 2, 2008; 12:00 AM
"It's not all in your head," said Dr. Herbert Benson, president emeritus of the Benson-Henry Institute for Mind/Body Medicine at Massachusetts General Hospital and an associate professor of medicine at Harvard Medical School. "What we have found is that when you evoke the relaxation response, the very genes that are turned on or off by stress are turned the other way. The mind can actively turn on and turn off genes. The mind is not separated from the body."
More than 2,200 genes were activated differently in the long-time practitioners relative to the controls and 1,561 genes in the short-timers compared to the long-time practitioners. Some 433 of the differently activated genes were shared among short-term and long-term practitioners. Genetic analysis revealed changes in cellular metabolism, response to oxidative stress and other processes in both short- and long-term practitioners. All of these processes may contribute to cellular damage stemming from chronic stress.
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