Osteoporosis Canada works to educate, empower and support individuals and communities in the prevention and treatment of this disease. Osteoporosis is a disease in which the bones become less dense. This weakening of the bone can lead to an increased possibility of bone fracture. Complete the Know Your Risk quiz to find out what your risks are for Osteoporosis. Make an appointment to talk to your doctor about your bone health and the risk of breaking a bone today.