A member asked:

I've been slim all my life. i weigh like 120 and am like 5'5..how below average is my weight and what can i do to gain weight? my thyroid is normal.

A doctor has provided 1 answer

Weight: Your bmi is, like, 20. In a woman, this could be very normal. If you are menstruating regularly, that would be a good indicator of normalcy. In a man, this is also normal assuming the man has a lean body build. Resistance exercise (weight lifting) along with a healthy diet may help bulk you up.

Answered 3/4/2014

4.4k views

Thank

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