If your health conscience and curious where you stand, the best way is to get your blood checked by a lab out C+protein cells etc.. A simple way is to buy a Body Fat analyzer (Omron is inexpensive) which will provide your body fat composition. Second tool you need is blood pressure/heart rate monitor or you can stop by your local grocery store by the pharmacy deparment and check it free. By monitoring these three areas you can find out if your gaining lean muscle mass, losing the "right weight" and have a healthier cardiovascular system for longevity. The sooner you take time out for your health and take prevetative measures, the healthier you will feel and enjoy life more. Regards