Small Amounts of Exercise Can Prevent Weight Gain

Article excerpt

People with little time for exercise may be pleased to read a recent report, published in the January 12, 2004, issue of Archives of Internal Medicine, which stated that overweight adults who are not on a diet need only a small amount of exercise to prevent further weight gain. The findings are based on a study of 120 overweight or mildly obese adults who were told not to diet during the eight-month research period.

The research shows that the subjects needed the equivalent of only a half-hour of brisk walking per day to prevent further weight gain. Participants who did not exercise at all during the study gained an average of nearly 2.5 pounds. Seventy-three percent of the individuals, who walked briskly for 11 miles per week, or about 30 minutes per day, were able to maintain their weight, or even lose weight. In addition, those participants who exercised the most vigorously (jogging about 17 miles weekly) lost the most weight, shed the most body fat, and gained lean body mass. All of the participants, men and women aged 40 to 65, had an average body-mass index of 29. …