Thursday, March 6, 2014

Yoga May Help Breast Cancer Patients


Study found it lowered levels of stress hormones, reduced fatigue, improved quality of life

Women with breast cancer who practiced yoga had lower levels of stress hormones and reported less fatigue and better quality of life, new research shows.
"Yoga is having an impact on subjective well-being, as well as better regulation of cortisol, a stress hormone," said study co-author Lorenzo Cohen, director of the integrative medicine program at M.D. Anderson Cancer Center, in Houston. "Better regulation of stress hormones has been linked with better survival and longer survival."
The study is published in the March 3 online edition of the Journal of Clinical Oncology.
Other research has found yoga helpful for cancer patients, Cohen said, but some of those studies have looked at small numbers of patients and others have not compared the yoga group to a "control" group to measure results.
For the new study, Cohen assigned more than 160 women with breast cancer who were undergoing radiation therapy to do either yoga or stretching up to three times a week for an hour each session. Those two groups were compared to a control group that received no instruction in either yoga or stretching.
The women reported on their quality of life, including how fatigued or depressed they felt, and described their daily functioning. They gave saliva samples at the study's start, the end of treatment, and at one, three and six months after treatment, so cortisol could be measured.
Women in the yoga group had the greatest reduction in cortisol levels across the day, which reflected the ability of yoga to help regulate stress hormones, the study authors noted.
After finishing radiation treatment, which is linked with fatigue, only the yoga and stretching groups reported feeling less tired, the findings showed. The yoga group had more benefits in physical functioning than the other two groups. (MORE)

Source: WebMD

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