One marathon, is not conducive to health

<p> According to the United Kingdom the times ", a study found that a person will have long-running, loneliness and isolation to the body. </ p> <! - AFP Control Code / Caption. left vertical banner - .><!-- AFP Control Code End/No.--> <p> Researchers of Elizabeth · Gould says that mouse experiments show that separate run-time, experimental rat does not properly generate new brain cells. </ p> <p .> Continued to run for a long time, will increase the pressure laboratory rats to the body of the cortex of grease in the rise. </ p> But because the brain cells can not be normal proliferation, lonely rat under pressure, emergency hormones cortisol .levels of fat in it elevated. This is harmful to their health, can also lead to the physiological and psychological symptoms "retreat." <p> Researchers believe that pressure even normally beneficial activities will also have an adverse impact. </ p> Overall ., for the flocks, the solitude of the pressure is enormous. <p align="right"> (Practice editing: Chen Dong ping) </ p>.