Why I am Obese or skinny?
Because of your metabolic rate, food habits, and your life style. Everyone has different metabolic rate. Metabolic rate tells you the amount of energy that is required by a person in a day. If eat high calorie foods, if your total intake calorie is too much and if your metabolic rate is very low, the excess energy will be accumulated in your body and you'll be obese. On the other hand, if your total intake calorie is very less and if your metabolic rate is very high, you'll be skinny.Body can accumulate the Fatty foods very easily. To cut down the excess weight or to avoid putting on the excess weight, Try to eat more protien, high fibre foods, less carbohydrate foods, avoid fatty items totally.
If you want to reduce weight, by simple mathematics, consume less calories than the amount of calories you can burn.
If you want to gain weight, eat more calories than the burning rate. Eat healthly foods, and avoid junk foods. In both the case, To know more details about the food items that you can eat, consult a good dietician.
Last but not the least, make sure you do regular physical activities daily. Include an hour workout in the GYM, swim daily, walk some distance daily, do aerobics, etc.
How do you know your metabolic rate?
Metabolic rate is basically depends on the height, weight, age, and sex. There are approximate calculators available online. http://walking.about.com/cs/calories/l/blcalcalc.htm But they are very rough estimation. There are other factors such as active level, muscle mass, etc. There are impedance based tests, which will tell you a better approximation.
