How To Lose Weight or Gain Weight<br />Video by Dr Willie Ong<br /><br />In this video, I have shown a simple diagram on how the body loses or gains weight. The two main factors are food intake and energy used.<br />Note that as we get older, our metabolism and movement slows, hence we expend less energy. This is the reason why many middle-aged persons gain weight.<br />Therefore, the lesson is to balance your food intake and exercise. So to lose weight, we should eat less and exercise more.
