Underweight is a condition that is caused by a low body mass index. The body mass index refers to the relationship between the person’s weight and his/her height. For medium weight, a body mass index ranging from 20 to 25 is good. For the underweight people, the body mass index is below 18.5, and for the overweight, the BMI is above 30. For the people who have a BMI of 30, they are considered obese.
Some of the things that can make you become underweight include: unhealthy eating habit, diabetes, thyroid problems, cancer, and other infections. In this blogpost, we are going to look at the top tips on How to Gain Weight Fast. Some of the top tips for gaining weight fast include: