How can you safely manage your weight?

just as if you were to lose weight, gaining is the same process but backwards. in losing weight, you should lose one to two pounds a week, so in gaining, you should gain one to two pounds a week, depending on what you choose. you can increase your diet by 500 calories and if you want to gain weight by muscle mass, you lift weights to gain more muscle mass too. don't think gaining too much weight too fast isn't as bad as losing weight to fast. gaining too fast can result in heart problems especially when you are older. you may not notice them at first, but over a long period of time, they will show. also in gaining and losing weight, doctors suggest not to drink alcohol.