I Am Male Age 70 And Have Fatigue On And

I am male age 70 and have fatigue on and off from age35 so much worse now accompanied shortness of breath and dizziness I do not have a low hemoglobin do have seasonal allergies and a slight cough there small nodules in my lungs but as I have been ct scanned last 6months they have not changed help I take the occaisional 5mg valium prn and 1-5 small glasses of wine at night suppluments such as b complex E magnesium and d