Body growth is not as per my age, i am too lean, my arms are also so lean. Body should be healthy and it should be fit as per age. Also my height is 5.5" but it should be more than 5.9" then it will be better.
Height wont change at age of 24. To increase lean mass,take good amount of protein in food and regular gym under guidence.
Remember increasing protein in diet is different from high protein diet.. iam suggesting only to increase protein in normal diet. And dont expect instant results.. it will take time.
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