12lb Weight Gain in 2 1/2 weeks! HELP!

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Sorry if this post is in the wrong thread....Feel free to move it.

Hey Everyone,

I have a question regarding weight gain. One of my friends came to me today and told me that they gained 12lbs within 2 1/2 weeks. He told me that he doesn't understand how it's possible because he has been eating cleaner and exercising some. Any idea how this is possible???! I told him I am not sure, but I recommended to go to his doctor for a check up. He is 5'11 and weighs around 270ish (he won't tell me his real weight so this is a guess...).

Thanks for any help or advice. I was trying to find articles on-line about this, but had no luck.

HgH :drinker: