A member asked:

I have a 20 yr son who weighs only 100lbs. no matter how much he eats he can't gain weight. is there anything he can do r take to gain some?

A doctor has provided 1 answer

Get seen: Junior may have malabsorption, maldigestion, gluten enteropaty, tropical sprue, adult cystic fibrosis, hyperthyroidism or any of several other entities.

Answered 6/26/2013

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