Americans aren't necessarily lazy. They are among the hardest workers in the world. But when it comes to shutting down the computer and turning on the treadmill, unfortunately, most won't break a sweat.
Although the U.S. government recommends at least 30 minutes of moderate exercise (brisk walking) five days a week or 20 minutes of vigorous exercise (running, aerobics) three days a week, less than half of adults age 18 or older met that criteria, according to a 2003 report by the CDC.
What's worse, nearly one-fifth of those respondents had not exercised at a moderate or vigorous level for at least 10 minutes per week. This is scary considering their increased risk of heart disease, diabetes and certain types of cancer.
So what's keeping these potatoes on the couch? Some health experts worry an attitude of indifference keeps people inactive. One CDC expert blamed lack of knowledge about the importance of physical activity.
As you well know, I have a different view about exercise than most. I encourage my patients to gradually increase the amount of time they are exercising until they reach anywhere from 60-90 minutes a day. Initially, the frequency is daily. This is the proper treatment dosage until they normalize their weight or insulin levels. Once normalized, they'll only need to exercise three to four times a week.
And, in addition to the health benefits, it may even make the work-happy a little smarter too.
MSNBC December 1, 2005
Yahoo News December 1, 2005
Wednesday, December 07, 2005
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