How do I overcome weight gain?

I'm a 30-year-old boy and I weigh about 200 pounds. 185 cm tall and continue on aerobics almost every day I run about 30 minutes and then I do different exercises to strengthen all the muscles of the body, but lately I have increased my weight please rate about 3 kilograms, knowing that I watch daily Calories I always eat less than normal (I eat 1500-2000 calories) Would you help me find an explanation for this?

This question is answered by Dr. Mustafa Sari, a consultant on obesity and nutrition, saying: exercise, especially muscle strengthening or body building, can initially lead to a slight increase in weight due to increased muscle mass and to avoid weight gain, it is possible to exercise aerobics because it increases Burn rate As for you and being covered from 1500 to 2000 calories This quantity is not enough for your weight so you have to increase the calorie rate to reach 20 calories per kilogram of your weight or rely on food containing a large amount of proteins if you are not experiencing any health problems, as you can Follow the following food program consisting of two cups of water followed by a boiled egg with one grapefruit or an orange and after two hours between breakfast and lunch a cup of water can be eaten with an apple or a lettuce, while lunch is a big cup of water with any amount of solder or chicken or name Grilled or boiled or cold with green salad and dinner is a large glass of water with any amount of meat, chicken or fish grilled, boiled or cold with vegetables and is carried out for a week.