Weight gain is an increase in body weight. It is generally caused by the intake of excess calories, little exercise, or may be caused by a medical condition. One exception is bodybuilding, in which muscle size is increased through strength training. , A noticibly larger, rounder stomach , Increase in body fat percentage , Increase in muscle mass , Increase in body hydration levels , Increase in breast size ,...
Rapid weight gain can be dangerous unless you know what you are doing talk to your doctor but when I had to gain I had ensure plus drinks (from powder)...
normal weight gain during pregnancy is as follows
months 1-3 no gain or up to 4 lbs water retention
months 4-9 .8-1.2 lbs each week
total weight gain not to exceed 35...