Running is probably the most effective way to maintain our healthy body weight. If joints are not in good conditions, then walking fast is an excellent way to loose weight while keeping our body healthy.
After slowly running for 30 minutes, our liver begins to burn fat stored in our body, especially in the belly. Thus, to loose weight, a minium of 40 min. running every one or two days is required.
By this way, I have maintained 64-65 kg (141-143 lbs) at 182 cm (6 feet) height during the past 5 years.
Barbie~~