Eat more, Play more Weigh Less
In the United States, 20 to 40 percent of the adult population has a weight problem. To many people, the cause seems obvious; we eat too much. But scientific evidence does little to support this idea. Going back to the America of 1910, we find that people were leaner than today, yet they consumed more food. In those days people worked harder physically, walked more, used machines much less, didnt watch television.
Several modern studies, moreover ? have shown that fatter people do not eat more on average than thinner people. In fact, some investigations, such as a 1979 study of 3454 London office workers, reveal that, on balance, fat people eat less than slimmer people.
Studies show that slim people are more active than fat people. Measurement of calorie intake in slim, active populations compared with moderately overweight, inactive groups routinely shows striking differences. A study by my research group at Stanford University School of Medicine found that among slim, tennis-playing women average daily calorie intake was 2417, while among sedentary , moderately overweight women of the same age it was 1490. Here were slim women remaining slim on 62 percent more calories than overweight women. The critical difference; physical activity.
In another Stanford study, 48 sedentary men ages 30 to 55 started on a one-year jogging program. We observed these changes after the training period:
【六级冲刺练习阅读(113)】相关文章:
★ 2013年6月英语六级考试备考深度阅读试题模拟与解析(14)
★ 六级讲义阅读理解 Passage fifteen 20101017
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30