Strength and weight training will help to lose weight and will speed up the metabolism. This effect can last for up to 24 hours after the work out. The training will also eliminate muscular dysbalance – disproportionate relation of muscular strength – and osteoporosis, because it will improve the density of the bones. Regular weight training will improve the values of the blood lipids; cholesterol and triglyceride level will decrease, the good HDL-cholesterol level will improve. It will also prevent muscular atrophy. Starting at the age of 30, every year one percent of the muscles will be lost without work out.