Uhm.. Im 13 years old. I got home from school.. maybe, 20 minutes ago. It was in the 100s, where I live is very.. Hot. I have a really bad headache & chest pains. I can t really breathe well & I feel really dizzy. My heart is beating faster than normal too. Im 5 foot 1/2, I weigh 127. I have an eating problem.. but beside that, I m healthy. What could be wrong?.