my doctor does not seem to have an answer to my constant tiredness, very sore legs, severe leg cramps, sleepless nights, sore stomach, listlessness, etc, etc, I ve always lived a very active live, but after having had pheunmonia and was hospitalised three times two years ago, shortness of breath, I can t get back on top of things again. What is going on, I m 74 years of age, female. and am a smoker.