How to increase height?

i am a 15 year old boy.....with a strict workout routine and diet.i fall ill very less often and am a healthy athlete...a lot healthier than my friends :P neway,i am 5' 6 not a particularly impressive height i am taller than many of my friends,but not all....i mean some of em are 5-6 inches taller....how can i... show more i am a 15 year old boy.....with a strict workout routine and diet.i fall ill very less often and am a healthy athlete...a lot healthier than my friends :P
neway,i am 5' 6 not a particularly impressive height i am taller than many of my friends,but not all....i mean some of em are 5-6 inches taller....how can i increase my height?
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