Write an article based on this "Get enough exercise. Get at least eight hours of sleep every night. Work on good posture. Avoid smoking and drinking in excess. Ask your doctor to help with prevention."

Article:
Engage in regular weight-bearing exercise such as walking, jogging, climbing stairs, cycling and weightlifting. Regular exercise should include about 30 minutes of physical activity five days a week. Bones benefit from occasional stress, such as weight-bearing exercise, because they lose calcium without stress. Bones will grow stronger the more that they are used. Studies have shown that sedentary lifestyles are harmful to bone health because you are not getting the exercise you need. Since spending too much time in chairs is bad for your spine, it’s a lose-lose. Sufficient sleep is important to bone health because the body repairs broken tissues during sleep. Be careful to sleep in a way that helps your spine stay straight. If you like sleeping on your side, place a pillow between your knees to keep your spine aligned. If you sleep on your back, place a pillow under your knees. All bodies require a different mattress type, so try a few before settling on one. Try not to get one so firm that it creates pressure points, as this can cause back pain. This is an area many people don't often think about. There are simple ways to improve your posture as you are seated, standing, lying down, and lifting. You will be surprised how straight your back feels after a few days of making sure to keep your spine aligned.  When seated, sit at the back of the chair with your spine straight. Keep your knees at a 90 degree angle and your feet flat on the floor. Get up and move around at least once every 30 minutes. When lifting objects, bend straight down instead of bending over. Lift from your knees rather than with your back. Avoid any twisting or jerking motions. Most people have less trouble standing with good posture. Make sure you aren't hunching over, and try to keep your spine straight. Nicotine and alcohol make bones weak and brittle by depleting their calcium content. Going to bed tipsy or drunk prevents your body from going through the necessary sleep cycles to allow you to be fully rested. This can translate into poor sleeping posture or tossing and turning, which is bad for your skeletal system. If you have osteoporosis or are at risk for the condition, you may need to let your doctor help you prevent or treat it. Tell them your concerns about bone health, and if they think dietary supplements are necessary. Keep them posted on any developments and mention your bone health at your yearly physical.