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Jun 22

Breastfeeding May Lower Women’s Risk of Heart Attack, Stroke – Live Science

Breastfeeding may literally be good for the heart: A new study suggests that breastfeeding may lower women's risk of heart disease and stroke.

For the study, researchers analyzed information from nearly 300,000 women in China. They found that those who were moms and had breastfed were about 10 percent less likely to develop heart disease and stroke during the study period, compared to the moms who never breastfed.

Although the new study cannot prove for certain that breastfeeding caused the women's lower risk of heart disease and stroke, "these findings suggest that interventions to increase the likelihood and duration of breastfeeding could have persistent benefits to maternal cardiovascular health," the researchers wrote in the June 21 issue of the Journal of the American Heart Association.

"Commitment from policy makers is needed to implement strategies in the health care system, communities and families, and the work environment that promote and support every woman to breastfeed," they said. [Top 10 Amazing Facts About Your Heart]

Future studies are needed to confirm the findings, and determine whether they apply to women living in other countries, the researchers said.

Previous studies have suggested that women who breastfeed experience short-term benefits, such as weight loss and lower cholesterol, blood pressure and glucose levels. But studies on the long-term benefits of breastfeeding on women's cardiovascular health have had mixed results.

In the new study, the researchers collected data from 289,573 Chinese women ages 30 to 79 who were asked about their history of childbirth and breastfeeding, as well as their medical history and other lifestyle factors. Nearly all of the women, 99 percent, had given birth, and 97 percent had breastfed. None of the women had cardiovascular disease at the start of the study.

The women were followed up for eight years, and during this time, about 16,700 developed coronary heart disease (which includes heart attacks) and nearly 24,000 had a stroke.

The study found that, overall, mothers who breastfed had a 9 percent lower risk of heart disease and an 8 percent lower risk of stroke, compared to mothers who did not breastfeed. Mothers who breastfed for two years or more had an 18 percent lower risk of heart disease and 17 percent lower risk of stroke, than those who never breastfed.

The findings held even after the researchers took into account factors that could affect heart disease risk, such as smoking, high blood pressure, obesity and diabetes.

Still, the study wasn't able to take into account some factors like the women's diet that could affect their heart disease risk.

In addition, breastfeeding practices that women in China use are different from those that women in the United States use a greater percentage of women in China breastfeed, and women there typically breastfeed for a longer time, compared to women in the United States, the researchers said.

One previous study in the United States found that only women who breastfed for at least two years had a lower risk of coronary heart disease, compared with women who did not breastfeed.

The American Academy of Pediatrics (AAP) recommends exclusive breastfeeding for the first six months of life, meaning that breast milk is the only source of food for the child (along with added vitamin and mineral supplements). After a baby reaches 6 months, the AAP recommends that mothers continue breastfeeding until infants reach age 1, but that they also introduce other foods during this time.

Original article on Live Science.

Read more:
Breastfeeding May Lower Women's Risk of Heart Attack, Stroke - Live Science

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