31.   Scientists located a gene that regulates how fast the body burns calories.

32.   She keeps on pedaling and burning those calories.

33.   Singing may not be the most obvious form of physical activity, but according to Yoshikata Yamamoto, it does burn calories.

34.   So should dieters build more muscles, which might allow them to burn more calories?

35.   Strength training, in particular, helps build muscle tissue that not only burns calories all the time, but also makes you look toned and in shape.

36.   That makes it easier to maintain weight loss because muscle tissue burns more calories than fat does.

37.   Summer heat burns calories.

38.   The body burns calories more slowly than normal after weight is lost, and faster than normal when weight is gained, the study found.

39.   The drugs depress appetite and phentermine increases the rate at which calories are burned.

40.   The extra calories were burned by their muscles.