After doing very well for many years, I am not doing well again. Sick all the time; weak and tired. I am a nutritionist and personal trainer, self employed. I have done all the right vitamins, supplements, and exercise to prevent bone loss and osteoporosis. Went to my primary care MD for illness and he had me do a repeat dexa scan which showed a 16% bone loss in 2 1/2 years. All in spite of a plant based alkaline diet, years of normal ph urines, normal Ca, D3, K2, magnesium, boron, selenium, supplementation, etc. All bloods normal forever on those. No med side effects. So, my immune defficiency is worse, and I have severe bone loss, in danger of breaking a hip, for no apparant reason. Did not want to, but for now, went on Boniva, until cause of bone loss can be determined. Will test all hormones. Am sure they are low, I am 54. I am worried. I have read that immune deficiencies that are NOT HIV should have bone marrow testing done. Because this is FM/CFIDS, it was never done. I have been sick since 1989. Can this illness actually go the bones, like other forms of cancer? I would never do radiation or chemo. Opinions.. please??