Include adequate amount of calcium in your diet. Milk and dairy products have plenty of it.
Pay attention to vitamin D. Body needs vitamin D to absorb calcium. Good sources of vitamin D include fish, egg yolk and fortified milk. Sunlight also contributes to the body's production of vitamin D.
Include physical activity in your daily routine. Motion is the lotion for joints; walking, jogging, and playing can help strengthen your bones and joints.
Avoid substance abuse. Don't smoke and avoid access of alcohol.