<s>[INST] How many people have osteoporosis?  [/INST] According to the National Osteoporosis Foundation, about 54 million Americans have osteoporosis or osteopenia. Studies suggest that approximately one and in two women and one and four men age 50 and older will break a bone due to osteoporosis. Source: OSC - ORTHO. Link: https://www.osc-ortho.com/frequently-asked-questions-about-osteoporosis/. Field: Rheumatology. Disease: Ostoeporosis </s>