<s>[INST] I feel fine, quite healthy and exercise every day so do I have to worry about osteoporosis? [/INST] Since you build all the bone you are ever going to have by the time you are 30 years old, much of your bone health depends on your genetics and how well you built your bone density during those teenage years. A bone density test (DXA) will tell you if you should be concerned about osteoporosis and fractures.

Even though you feel fine now, did you have any condition that could have affected your ability to maximize your bone density by age 30? Were you underweight or an athlete with a strong drive for training that could have caused Athletic Energy Deficit (AED)? Did you experience disordered eating (anorexia or bulimia), an early pregnancy (before age 20), cancer, cancer treatments or other childhood diseases? If you have, do not be surprised to have low bone mass. Just recognize that you may never have been in the “normal” range as measured by DXA when you were 30 years old. 

Most people are surprised to learn that 70% of the people who have low impact fracture have not been diagnosed with osteoporosis and have never had a DXA. Source: American Bone Health. Link: https://americanbonehealth.org/frequently-asked-questions/. Field: Rheumatology. Disease: Ostoeporosis </s>