As you approach and go over 40, you can start to feel a difference in your body. Even if you were an athlete all through your younger days, it is inevitable that changes happen in your body that will prevent you from doing things you could. However, you can largely reduce the effect of these changes. You can keep your energy levels, strength and flexibility in good shape enabling you to delay the effects of the aging process. This is because inactivity and poor nutrition actually speed up the aging process. Some of the first changes you will notice are: • Losing your balance • Getting out of breathe easily • Tightening up of your body • A decline in muscle mass • Weakening and thinning of bone mass • Cartilage, ligaments and tendons becoming less elastic Understanding why these changes are happening, what your new nutritional needs are, and which kind of physical activity is good for you will help you stay fit without hurting your body. A sedentary lifestyl...