Myth #2: Weight training, because of all that straining, can lead to heart problems. FALSE: Recent research has declared that weight resistance training in fact reduces the incidence of heart disease.

Myth #3: The more you run or do aerobic exercise the healthier you will be. FALSE: Over-training in any sport is dangerous and can lead to injuries and exhaustion.

Myth #4: Aerobic exercise is the only, or at least the best, way to lose fat. FALSE: Lots of fat people run; cardio or any type of exercise must be combined with proper nutrition to lose weight.