Osteoporosis is a condition in which bones become weak and brittle. The more bone you can build in the early years the less likely you are to have osteoporosis later in life. Diet plays a big part in building bone health. Calcium and vitamin D are important, but don’t forget about magnesium, potassium and vitamin K. Muscles get stronger when you use them, and the same applies to the bone. Any kind of physical exercise is great, but the best ones for young people are weight-bearing activities like walking, running, hiking, dancing, tennis, basketball, gymnastics and soccer. Get more tips to increase bone density.