i know, this may seem like a weird question...but i'm having some problems gaining weight
my BMI lists me as slightly underweight (18.0). i'm about 5'7", 5'8" weighing around 125 lbs.
i can gain up to about 5lbs during the day, but when i go to sleep, it disappears, leaving me back with a weight between 120-125 lbs.
i'm fairly fit, doing about 6 hrs of exercise each week, and i don't skip a single meal.
any help here guys?
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