What Causes Headaches, Migraines, Shortness Of Breath And Tightness In Chest?

I have been waking up with daily headaches for a few months now. I have a history with migraines and take Zomig as needed . I try to catch them with a Excedrin first then go to the Zomig if I have to. I have been taking 1-4 excederin daily for about 3 months now. 2-4 Zomig per month. Also during my workouts I am having a hard time with my breathing when I get my heart rate up. Feels like a tightness in the center under the breast bone I m 53 women very active, workout out 6 days a week 1 to 2 hours per workout. very good health except for these stupid headaces and now this chest thing