Bone degenerations are common diseases among those over 60 years old. The most common are osteoarthritis, rheumatoid arthritis, osteoporosis and gout. Factors that can cause them include genetic alterations, hormonal disorders, nutritional deficits and the consumption of certain substances. This infographic from the Ábaco collection is integrated into the Diseases series, which includes the titles: Allergies, Lung Infections and Diabetes.