It helps your body use calcium efficiently. Good sources include liver, fish oil, and vitamin D-fortified milk. Sunshine is another good source. Weight-bearing exercise, in which your body moves against the force of gravity, helps to strengthen bones and keep bone mass dense. Consider walking, aerobics, dancing, jogging, cross-country skiing, or tennis.
Smoking reduces bone mass and lowers women's estrogen levels.
Decrease alcohol consumption. If you drink heavily, it may cause you to lose bone more rapidly. It also increases your chances of falling and breaking a bone. We recommend that you use Microsoft Internet Explorer or Netscape Navigator , versions 4.0 or higher. Copyright 2001 Kaiser Permanente.