Jumat, 29 Januari 2010

Bone Health Tips for Every Decade

Bone Health Tips for Every Decade

Stay strong with this expert advice for preventing osteoporosis

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It may seem like osteoporosis is just a part of aging, but it doesn't have to be. While it's true you lose bone strength and mass as you get older, there are many things you can do to lower your chances of getting osteoporosis. We've spoken with experts and gotten tips for keeping your bones strong during your 20s, 30s, 40s, 50s and 60s.

Though this information is arranged by decade, and some advice—like that on estrogen replacement and bone density tests—definitely applies to that age group, tips on nutrition and exercise are important no matter what your age, and should be followed throughout your life.

In Your 20s

Hip fractures and loss of bone density are likely not on the minds of most 20-somethings, but this is when women need to start working on maintaining the bone strength they have. Marjorie Luckey, MD, medical director at Saint Barnabas Osteoporosis Center in Livingston, New Jersey, says women reach their peak bone mass by their early 20s. This means you have to start working on maintaining what bone strength you have during this decade of your life. Women in their 20s should:

1. Avoid smoking. Smoking cigarettes hampers the work of bone-building cells and increases your risk of developing osteoporosis.

2. Exercise properly. Weight-bearing exercise (this can include simple activities like walking) is strongly recommended throughout your life in order to keep up bone strength. But, as with most things, moderation is key. Nathan Wei, MD, clinical director of the Arthritis and Osteoporosis Center of Maryland, says woman who have extreme exercise habits—to the point where they develop amenorrhea (loss of menstrual cycle)—trick their bodies into thinking they are going into menopause, a major risk factor for osteoporosis.

3. Watch your weight. During your 20s, you may only be concerned with keeping your figure trim, but a healthy body weight should be the goal instead. Being underweight is a high risk factor for osteoporosis. (Underweight is defined as a body mass index (BMI) of less than 18.5 kg/m2.) To find out your BMI, go to WomansDay.com/BMI.

4. Consider a vitamin D supplement. Vitamin D is important for every stage of life because it helps your body absorb calcium, which is very important for bone health. "There is an epidemic of vitamin D deficiency in the U.S.," says Dr. Luckey. "We get a lot less vitamin D than past generations because we are out in the sun less." She advises that women, especially those living in the Northeast, who don't receive as much sunlight as their Southern counterparts, take a vitamin D supplement to reach the recommended 600 to 800 IU per day. Foods such as fatty fish and milk as well as some juices contain vitamin D, but not in large enough doses to get as much as the body needs.

In Your 30s

For many women this is the decade when their focus is on building a career and starting a family. Both of these can have an effect on overall bone health. Women in their 30s should:

1. Keep salt and caffeine in check. Too much of either can promote calcium loss. Lanah J. Brenna, a registered dietician at Reactive Nutrition in Lafayette, Louisiana, advises women to limit their sodium intake to 1,300 mg a day and caffeine to 200 to 300 mg a day to help reduce bone loss.

2. Limit drinking. Excessive alcohol consumption (more than two drinks a day) has been linked to increased risk of hip and other osteoporotic fractures.

3. Consider a calcium supplement. Adult women should get about 1,000 mg of calcium a day. If you're pregnant or nursing, you should bump up your intake to 1,200 mg a day. Dr. Luckey says that most people naturally consume about 300 mg of calcium a day. Adding yogurt or lowfat cheese to your diet will help increase your numbers. "Calcium is listed on nutritional labels as a percentage; to convert that to milligrams, just add a zero," advises Dr. Luckey. If you calculate how much calcium you're getting and you still come up short, add a supplement—most contain between 200 to 600 mg.

4. Learn your family history. Find out if your mother, grandmother, aunts or sisters have (or had) osteoporosis, fractures or any other related health issues. Heredity plays a big part in assessing your risk. If you know you have a family history of osteoporosis, then you can talk to your doctor about what measures (such as earlier bone density testing) you may need to take.

In Your 40s

Hopefully you've established healthy habits during your 20s and 30s. If not, don't underestimate how important this time of your life is. Kick your fight against bone loss up a notch before you reach your high-risk 50s. Women in their 40s should:

1. Add weight training to your exercise routine. You should already be doing at least 30 minutes of physical activity a day, like walking, gardening, golfing, swimming, tennis or dancing. But now's the time to add strength training to your workout routine. Staying active throughout your life helps your bone health by increasing muscle mass, strength, balance and coordination.

2. Consider other health risks. Talk to your doctor about how other health problems such as diabetes,depression and intestinal disorders affect bone health. Also discuss how some medications as well as more intense medical treatments, like chemotherapy, can alter your body's ability to absorb calcium.

3. Figure out your fracture risk. The World Heath Organization has a tool called FRAX that helps you figure out your risk for getting a fracture over the next 10 years. Simply enter your age, height and weight, then answer a few questions about your family history and lifestyle to get recommendations for treatment.

In Your 50s

Your 50s are a time of change—the most important of which is the beginning of menopause. Dr. Luckey says that the 3 to 5 years after menopause are the most important in terms of bone density loss. "Osteoporosis can occur at any age, and for a variety of reasons," says Elizabeth Ricanati, MD, staff physician in the Department of Disease Reversal at Cleveland Clinic. However, she points out that according to the National Osteoporosis Foundation (NOF), over half of the U.S. population develops osteoporosis after the age of 50. Women in their 50s should:

1. Up your vitamin intake. The NOF recommends that adults age 50 and over get 1,200 mg of calcium daily. If you are postmenopausal and not taking hormones, the dosage increases to 1,500 mg a day. It's also recommended that adults 50 and over get more vitamin D (1,000 to 2,000 IU daily).

2. Consider estrogen replacement. Once you go though menopause, your body loses estrogen. Dr. Luckey says that women with high risk factors or signs of osteoporosis often benefit from a low-dose estrogen patch. She sometimes recommends the drug Evista, which "mimics the effect of estrogen" in the bone.

In Your 60s

The decrease of estrogen in your body during your postmenopausal years is a major cause of bone density loss. While some bone loss after menopause may be inevitable, other factors, such as breaking a bone, can put some women at higher risk than others. Women in their 60s should:

1. Get a bone density test. According to Dr. Luckey, all women over 65 should get routine bone density tests. If you're under 65, postmenopausal and have high risk factors, such as a family history of osteoporosis or a broken bone after age 40, it's also recommended that you have regular bone density tests.

2. Protect yourself against falls. Wear shoes with nonslip soles, clear things from the floors that could be easily tripped over, keep hallways and corners well lit, use a stepstool with handrails and be careful with medications that affect your balance or make you drowsy.

3. Talk to your doctor about prescription medication. Depending on how advanced your bone loss is, your doctor may suggest you take medication to prevent further bone loss. Dr. Ricanati explains, "There are different classes of medications to treat osteoporosis, such as the bisphosphonates (Fosamax, Boniva, Actonel and Reclast), SERMs (selective estrogen receptor modulators), estrogen/progestin, parathyroid hormone and others." Dr. Wei also points to a new treatment, denosumab, which is recommended for women who experience side effects from bisphosphonates. As with any prescription drug treatment, there are risks associated with most medications, and the best avenue is always prevention.

http://health.yahoo.com/featured/79/bone-health-tips-for-every-decade/

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