[ 2007-04-16 14:12 ]
Laughter is good for the heart because it prolongs
life while depression increases the risk of an early death, according to two new
A good bout of laughter every day provides similar cardiovascular benefits as
exercise because it stimulates the blood flow, said Michael Miller, who headed
one research team at the University of Maryland.
On the other hand, depression -- or the lack of laughter -- is often linked
to unhealthy habits such as smoking and drug addiction and increases the risk of
death by 44 percent, said Wein Jiang, who led a study of 1,000 heart patients
for the University of North Carolina.
Miller said laughter produced a "magnitude of change... in the endothelium...
similar to the benefit we might see with aerobic activity, but without the
aches, pains and muscle tension associated with exercise."
While laughter should not replace exercise, he said, "we do recommend that
you try to laugh on a regular basis. Thirty minutes of exercise three times a
week, and 15 minutes of laughter on a daily basis is probably good for the
（江苏淮阴师范学院通讯员陈蕾供稿 英语点津 Annabel 编辑）