Final answer:
Osteoporosis is a bone disease characterized by decreased bone density and increased fragility. A healthy diet rich in calcium and vitamin D, along with weight-bearing exercise, can help prevent osteoporosis.
Step-by-step explanation:
Osteoporosis is a bone disease characterized by decreased bone density and increased fragility. It is more common in women, especially after menopause, but can also affect men. To prevent osteoporosis, a healthy diet rich in calcium and vitamin D is essential. Calcium sources include milk, yogurt, cheese, and non-dairy options like kale and broccoli. Vitamin D can be obtained from sunlight exposure or through supplements. Weight-bearing exercise is also important for building bone mass.