过度锻炼会加重心脏负担

http://online.wsj.com/article/SB10001424127887323975004578501150442565788.html


这小段特意讲跑步太多有可能对心脏造成的伤害：
Other recent studies suggest the significant mortality benefits of running may diminish or disappear at mileage exceeding 30 miles a week and other, very small studies have shown elevated levels of coronary plaque in serial marathoners—a problem that rigorous exercise theoretically could cause.