Theo dõi lượng calo hoặc khẩu phần ăn. Chế độ ăn cân đối. Chọn thức ăn lành mạnh cho bữa phụ. Uống đủ nước.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If you feel that weight loss will help aid in toning your arms and helping them get smaller, you will need to watch calories or portion sizes of foods to help you reach your goal.  Losing weight will require eating a little less or watching your total calorie intake each day. Safe weight loss is considered 1-2 pounds per week.  You'll need to cut out or burn off about 500 calories a day to reach this goal.  To cut back on portions, try using smaller plates, bowls or serving utensils.  You may al