Today after jogging, felt really dizzy, heart was beating really fast, had to lie down, this of course brought on panic, why did this happen to me?

Cycle: It is a cycle of connections between our thoughts, feelings, behaviors and bodily sensations, any of the four could trigger the others and so forth. Example, you might have thought that you are having a heart attack, that thought made you feel scared and brought through chemicals in your body multiple physical changes. You are young, unlikely heart disease, change your thoughts helps break cycle