Lower jaw ache seems to occur more later in the day - pressure and headache in between eyebrows. what is this? scared jaw pain is heart

Don't be scared: You may be clenching or grinding your teeth. Have your dentist take a look.

Stress?: Most likely cause of this symptom cluster is simply stress. Supe unlikely to be a heart problem at age 22 unless you're using recreational drugs or have some sort of unusual electrical conduction in the heart - very rare. If your concerned however, you should see your primary care physician to find out more. Hope this hElps!