Well I cannot actually see any reasons,so I might as well just give my own.A drug might not recieve FDA approval because they need to find the good chemicals and the bad chemicals in the drug.If they find any bad chemicals in the drug,they will not approve it.Hope this helps!!!!
Resistance (strength) training prevents osteoporosis because it helps build strong bones which minimises the risk of fracture. This type of training uses free weights, stretchy bands, or your own body weight to build muscle and strengthen bones. This type of exercise helps “load” your bones, putting stress on them.
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Cardiovascular disease, a physical dimension factor, is a chief killer of people in the prime of life.