3.Researchers discovered that "socializing was just as effective as more traditional kinds of mentalexercise in boosting memory and intellectual performance," lead author Oscar Ybarra, a psychologist at the University of Michigan Institute for Social Research, said in a statement.
6.Compared with the key class, the students of common class spent more time on tutorship, received more learning burden and mental stress, but less in physical exercise, because of heavy learning burden (P<0.01);
10.Arid physical exercise can reduce this irritability, help to improve their ability to deal with counter-irritability and improve the mental and physical health of undergraduates.
