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Older women who quit smoking can cut heart disease risk regardless of diabetes status

Date:
July 3, 2013
Source:
Indiana University
Summary:
Postmenopausal women who quit smoking reduced their risk of heart disease, regardless of whether they had diabetes, according to a new study. Women without diabetes who gained more than five kilograms or 11 pounds after they quit smoking still saw their risk for cardiovascular disease drop. But their risk didn't drop as much as for those who gained less than 11 pounds, which was the majority of the women.

Postmenopausal women who quit smoking reduced their risk of heart disease, regardless of whether they had diabetes, according to a new study conducted by Juhua Luo, an epidemiologist at the Indiana University School of Public Health-Bloomington.

Her findings, "Smoking Cessation, Weight Change and Coronary Heart Disease Among Postmenopausal Women With and Without Diabetes," were published this week in the Journal of the American Medical Association.

Women who gained more than 5 kilograms or 11 pounds after they quit smoking still saw their risk for cardiovascular disease drop. But their risk didn't drop as much as for those who gained less than 11 pounds, which Luo notes was the majority of the women.

"Our study found that if you quit smoking, even for older women, the benefits start pretty quickly, within years," said Luo, assistant professor in the Department of Epidemiology and Biostatistics at the School of Public Health. "It's never too late to benefit from quitting smoking."

The study analyzed data for 104,391 postmenopausal women ages 50 to 79 who participated in the National Institutes of Health-funded Women's Health Initiative. Here are some of the findings:

  • Among women without diabetes, women who quit smoking within the past three years had a 26 percent lower risk of developing heart disease compared with women who continued smoking. Women who had quit smoking for more than three years had a 61 percent lower risk. Among women with diabetes, those who quit smoking had about a 60 percent lower risk for heart disease, regardless of how recently they had quit.
  • The majority of women in the study gained less than 11 pounds after they quit smoking and saw the same general drop in their heart disease risk as stated above.
  • The smaller number of women who gained more than 11 pounds had less heart-health benefit from stopping smoking, especially for women with diabetes.

Story Source:

The above story is based on materials provided by Indiana University. Note: Materials may be edited for content and length.


Cite This Page:

Indiana University. "Older women who quit smoking can cut heart disease risk regardless of diabetes status." ScienceDaily. ScienceDaily, 3 July 2013. <www.sciencedaily.com/releases/2013/07/130703101444.htm>.
Indiana University. (2013, July 3). Older women who quit smoking can cut heart disease risk regardless of diabetes status. ScienceDaily. Retrieved July 25, 2014 from www.sciencedaily.com/releases/2013/07/130703101444.htm
Indiana University. "Older women who quit smoking can cut heart disease risk regardless of diabetes status." ScienceDaily. www.sciencedaily.com/releases/2013/07/130703101444.htm (accessed July 25, 2014).

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