Exercise May Help Breast Cancer Survivors Battle Bone Loss11/08/13
FRIDAY, Nov. 8 (HealthDay News) -- Aerobics and
strength-training exercises may help reduce bone loss and the risk
of fractures in breast cancer survivors, a new study suggests.
Bone loss is a serious problem for breast cancer survivors.
Treatments such as aromatase inhibitors block the production of
estrogen, a hormone that fuels the growth of many breast cancers.
Estrogen, however, is needed for bone formation.
The researchers also said chemotherapy can trigger early
menopause, resulting in low estrogen levels and bone loss.
This 12-month study included breast cancer survivors who had
recently completed treatment. About half of them took part in an
aerobic/resistance exercise program three times a week at a fitness
center. The other women were assigned to a control group and given
recommendations of 30 minutes of moderate-intensity exercise most
days of the week.
By the end of the study, the women in the intervention group had
more physical endurance, greater muscle mass and lower fat mass
than those in the control group, according to the study, which was
presented Thursday at the annual meeting of the American Institute
for Cancer Research, in Bethesda, Md. Research presented at
meetings should be viewed as preliminary until published in a
peer-reviewed medical journal.
"Women who are completing cancer therapy should be getting a strong prescription for health promotion, which includes aerobic-resistance exercise," study author M. Tish Knobf, a professor at the Yale School of Medicine, said in an institute news release. "Routine exercise improves muscle strength, balance, quality of life, mood, functional ability and cardiovascular status, and may minimize the risk of bone loss."
Another study presented at the same meeting found that many
survivors of breast cancer and other cancers are at risk for low
levels of vitamin D, and many will need to take vitamin D
supplements. The vitamin helps promote bone health.
"Patients with breast cancer and several other cancers are at increased risk of rapid bone loss and fractures," Dr. Bess Dawson-Hughes, director of the Bone Metabolism Laboratory at Tufts University, said in the news release. "While not sufficient to prevent bone loss when taken alone, calcium and vitamin D are very important components of any pharmacologic regimen to minimize bone loss."
The Hormone Health Network has more about
breast cancer and bone loss.
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