This research article on the NIH website: Resistance training is medicine: effects of strength training on health looks at the information regarding the improvements that strength exercise can make to your body. It looks at it all in different sections. The first is how it benefits the muscle by prevent muscle loss. Second, the benefits to the cardiorespiratory system, such as lowering blood pressure and lowering cholesterol. Bone improvements such as increased bone mineral density and looks at cognitive improvements as well.