Researchers at the University of Los Angeles have shown that yoga would have a biological effect on the health of persons under chronic stress. These findings were published in the journal Psychoneuroendocrinology, 14 July 2012.
A previous research conducted in Pittsburgh in April 2012, had already shown that chronic stress cause a weakened immune system and could increase the occurrence of recurring health problems.
Here, researchers from the University of Los Angeles wanted to know if meditation has a biological effect on the immune disturbances of stressed individuals.
So they selected 45 people who take care of a loved one with Alzheimer’s disease. These people, in whom there is constant stress, regularly develop depressive symptoms, emotional distress, and have a decreased energy.
Every day for eight weeks, participants divided into two groups, had to do a meditation session of 12 minutes, either by practicing yoga, or by isolating itself to listen some relaxing music.
At the beginning of the experiment, a blood test had revealed that they all had high levels of inflammatory markers in the blood. These substances are released into the body when subjected to an aggression threatening its integrity.
After eight weeks of daily meditation, their rates had declined in samples of the group practicing yoga .
In fact, scientists believe that this relaxation method would influence the expression of certain genes, themselves responsible for the disruption of the immune system by stress.
They bring by blood evidence that yoga can reduce and control anxiety, what fans of the practice had advocated already long!
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