Your age means nothing as far as
heart problems go. The reality of it is more children die from serious forms of
heart disease than children who suffer from ALL forms of childhood cancers COMBINED. Having said that, if you had SERIOUS heart disease, you would have known about that years ago, so don't get upset by those statistics, I simply put that on her to educate you a little bit.
Chest pain is caused by a lack of blood flow to the heart muscle walls.