3 doctors weighed in:

Why can some people eat like complete pigs and never work out but are still in great physical shape, yet others gain weight way too easily?

3 doctors weighed in
Dr. Jeffrey Kass
Podiatry
2 doctors agree

In brief: The skinny

Gene.
..some have it...

In brief: The skinny

Gene.
..some have it...
Dr. Jeffrey Kass
Dr. Jeffrey Kass
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