Why is it so important to have grains in your diet?

To reduce the risk of heart disease, type 2 diabetes, obesity, and some forms of cancer.

Explanation:

To have a good digestive system.

Explanation:

the fiber in grains allows you to have a steadily flowing system

don't worry, but do consult a doctor.

explanation:

having a high metabolism at age 13 is not abnormal.   however, if you are concerned, do consult a doctor.   the doctor may identify a correctable issue, and then you'll have your answer.   in the meantime, there are a few steps you might consider.

first, reflect on just how much physical activity (work out and dancing) you are getting relative to your caloric intake.   keep in mind that if you are interested in gaining weight, you must have a higher caloric intake than output.   second, if eating robust healthy meals is not providing enough calories, you'll need to include high caloric, yet healthy, snacks.   i warn against using an over the counter high-calorie supplement (drink or food) until you have consulted a doctor.  

pick it up and keep it back in

explanation:

so simple, yet people dont relize