Weight-bearing exercises, such as strength training and high-impact activities, are most beneficial for improving bone density. These exercises stimulate bone growth by creating stress on the bones, which encourages the deposition of new bone tissue. Examples include weight lifting, walking, and activities like dancing. Adequate intake of calcium and vitamin D is also essential to support bone health. Engaging in regular weight-bearing exercise can help reduce the risk of osteoporosis and fractures as one ages.