There are many books on how to reduce weight, for people having flabby belly. But weight is not only a quandary with the ones who are fat, there are many others who are finding it difficult to gain even a pound. If you are also one of them and looking ways to gain weight to enhance the physical appearance then take a deep breath and give your fingers some rest. You are on the right page now! No doubt! Gaining weight is as difficult as losing it. The beautiful world we live in is a contradictory one. There are people who put on weight rather effortlessly coveted to their unhealthy diets. While on other end of the spectrum, people with skinny and lanky frame find it tremendously difficult to gain those extra few pounds and condemn their hereditary issues and fast metabolism. To combat this situation, you just need to follow proper combination of balanced diet and exercise. But the first question is what is a healthy weight? Almost everyone have confusions regarding a particular question “how much should I weigh for my age and height?”. But the fact is your ideal weight depends on height and gender. Why you are underweight? Doctors always advise gradual weight gain, but they rarely tell us about the reasons for being underweight. Read to find them here: Junk Food: Consuming junk food carelessly is a big reason of being underweight. But did you know, with such eatables you can put on weight at the wrong places internally even though externally you appear skinny. Smoking: