31.   Aerobic exercises and weight lifting can strengthen these muscles, and yoga can keep them flexible.

32.   Aerobic exercises like walking strengthen the lower body.

33.   Aerobic exercise also improves circulation.

34.   Aerobic exercise has long been considered a key to cardiac health.

35.   Aerobic exercise is the best kind for diabetics, Stabile said.

36.   Aerobic exercise, while not a drug, does impact health and can also be timed for optimal effect.

37.   Closer to home, women are using the regimented boxing workout as aerobic exercise.

38.   Every Monday, Wednesday and Friday, Gerber does an hour of aerobic exercise, swimming, bicycling, running or working out at the gym.

39.   Exercising before flights helps to offset the effects on the body of reduced air pressure, and aerobic exercise afterwards helps to reoxygenate it.

40.   Getting some aerobic exercise -- walking, jogging or stair-climbing -- for one hour three times a week and one hour on Saturday or Sunday will work.