He needs a checkup: to see if a medical condition is causing his low body weight and sleepiness. Sometimes, it's just genetic; other times its just developmental. Sometimes guys this age are growing taller so fast that their weight can't keep up. What ever is going on, he's lucky to have a sister like you! Dr. Anne
Answered 3/16/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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