国外研究认为,运动之所以能预防癌症,可能与以下原因有关:运动时肌肉产生热量,癌细胞对热的承受力远不如正常细胞,容易被杀伤;运动使人体吸入比平常多几倍乃至几十倍的氧气,活跃的新陈代谢以及运动时大量出汗可使体内的一些致癌物质被及时排出体外;运动会刺激体内某些激素的分泌,促进骨髓生成白 Foreign studies suggest that the reason why exercise can prevent cancer may be related to the following reasons: the exercise of muscle heat, cancer cells on the heat capacity is far less than normal cells, easy to be killed; exercise to make the body inhale several times more than usual and even a few Ten times the oxygen, active metabolism and sweating a lot during exercise can cause some in vivo carcinogens to be promptly excreted; exercise will stimulate the secretion of certain hormones in the body to promote bone marrow white