https://www.raiplay.it/programmi/unom... - The most affected population is women over 65, while the prevalence is much lower in men, around 20%. The main cause of osteoporosis is aging. To prevent osteoporosis, a diet must be rich in calcium, the building block of bones, and vitamin D, which facilitates its absorption. Maria Luisa Brandi, endocrinologist, and Tiziana Stallone, nutritional biologist, discuss this in the studio.