Osteoporosis is a condition where bones become weak and are more likely to fracture, particularly common in older adults and women. Weight loss can lead to osteoporosis if done through unhealthy diets and excessive exercise, as the body may not receive enough calcium and vitamin D. These nutrients are vital for maintaining bone health. To prevent osteoporosis, it is recommended to have a balanced diet rich in calcium and vitamin D, such as dairy products, fish, and green vegetables. Additionally, moderate sunlight exposure helps in the production of vitamin D. Weight-bearing exercises are also beneficial for bone health.