Shortness of breath and on exertion. chest x ray, ekg, stethoscope and some blood tests were normal. still worried because everyone says its anxiety.

Exercise: Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Have a healthy diet, exercise 30 minutes/day, drink plenty of water, have safe sex, no tobacco alcohol weed or street drugs. For nutrition: http://www.choosemyplate.gov/. Get HPV vaccine