What are BMIs for certain age groups?

I'm 15 and was wondering if you have to be a certain age before you can buy vitamins whether they are for you or someone else.

what are the major superficial muscle groups? what do they do? how do they work?

I am 37 years old, 5' 6 in, 153lbs and my measurements are chest: 37 in, waist 35 in and hips 41 in. The question is what are...

Im 15 and weigh 130, im 5'6 I feel fat but people say im skinny...

I'm 6'1" tall and weigh 239 at the age of 68. What should I weigh? My frame is medium to large.

Is it true that jogging ages you? Does it cause the skin on your face to sag?

I am 20 years old, and 5'3, how much should I weigh? And what should I do to remain that weight, and healthy?

I am 49 years old and 5'6" tall. What should I weigh for my age and height?

Im just curious. For example like exercise moves or anything . Asnswer answer answer!!!

I have a close friend who wants to know what her wight should be for her age and hight. She is 11 years old, and is 5ft and 8...