Sandra asks…if i start to lift weights within how much days will i see difference?and is it safe for a 13 year old(brother) to lift 32 pounds or 28 an will that affect his growthNancy answers:You shouldn't let your brother lift any weights just yet becuase it can affect his growth. He is still growing and the damage that can be done by weight lifting can seriously screw him up. The average male isn't completely done growing until around the age of 22, while most of the work is starting to
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