What can I do to stop having panic attacks I'm always stressed out?

Behavioral modificat. Learn how to step back from anxious moments, learn how to breath and if it becomes dysfunctional to you see your PCP for counseling and/meds.
Start w med eval. It may uncover underlying medical problems that need to be addressed. Cognitive Behavioral therapy can be effective. Psych meds may be indicated. Aim for daily exercise, 8 hrs sleep /night & good nutrition w 5 servings of veggies & 4 of fruit per day. Try tai chi, yoga, Qi Gong, progressive muscle relaxation, deep breathing exercises or meditation. Take care.