osteoporosis occurs when your body absorbs more bone than it produces. In other words, your bones lose density, become weak, and are prone to fractures. This process isn't the sole cause of osteoporosis; there are other factors that contribute to and exacerbate the onset of the disease.
D. remaining well -hydrated while exercising is best, when you perspire from exercise you have to replace fluids or you will de-hydrate which is not safe.
