There are several common misconceptions about osteoporosis. First, some people think that only the elderly get osteoporosis, but young people can also develop it, especially those who lack exercise and have poor nutrition. Second, many believe that simply taking calcium supplements can prevent osteoporosis, but in reality, vitamin D and other nutrients are equally important. Additionally, some think that osteoporosis has no symptoms until a fracture occurs, but early signs like back pain can appear. Lastly, osteoporosis can be prevented and managed through a healthy lifestyle, including a balanced diet, regular exercise, and avoiding smoking and excessive alcohol consumption.