gain weight

Being Underweight is defined as having BMI (body mass index) less than 18.5. Where as, BMI over 25 is considered as overweight and BMI over 30 will be taken as obese. However, downside of BMI scale is that it doesn’t take muscle mass in account. So, some people can be very skinny yet healthy. Being Underweight is more common among females than males. A couple of tips in this article will guide you how to gain weight.