<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi Doctor, I have three questions for you, my first: I am 27 with diagnosed osteoporosis. I have recently been passing blood in my stool as well as have been in severe back pain with occasional abdominal painl, nauesa and faintness - would you know what could be causing the blood in my stool? I am not constipated, dont smoke or drink and live a healthy lifestyle. Second: My recent scan said that I have a generalised annual laxity of the L45 and L34 vertebrae. What is an annual laxity? My scan also mentions degenerative changes in the L34. Third: What could I do to build the density of my bones? Thank you for your time  <response>: Hi, Thanks for your query. After going through your query I came to know that you are suffering from osteoporosis. For this get your bone density checked. You should take calcium supplementation. Serum vitamin D test is advised if it is lower than vitamin D supplementation will be required. You are passing blood in stool. You should get examined by surgeon for piles. Furthermore, you have annual laxity means annular ligament of disc is lax. It may be hereditary or due to vitamin and trace elements deficiency. Degenerative changes are age related changes. For building of bone density you need to do exercise specially walking and running. Take a high calcium diet. If you have vitamin D deficiency then its supplementation can be taken. For pain relief you can take analgesic such as ibuprofen. Vitamin B and C are helpful in recovering. You can discuss with your treating Doctor about it. I do hope that you have found something helpful. If you have additional questions or follow-up queries then please do not hesitate in writing to us. I will be happy to answer your queries. Wishing you good health. Take care. 