BY AMERICAN HEART ASSOCIATION NEWS

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Women with Type 2 diabetes are twice as likely to have coronary heart disease compared to men and may also need more frequent and intense physical activity to lower their risk of having a heart attack or stroke.

A new American Heart Association scientific statement published in the association’s journal Circulation on Monday.

“Cardiovascular disease may be more deadly for women with Type 2 diabetes than it is for men,” said Judith G. Regensteiner, Ph.D, chair of the statement writing group and professor of medicine and director of the Center for Women’s Health Research at the University of Colorado School of Medicine in Aurora.

“While we don’t fully understand how the inherent hormonal differences between men and women affect risk, we do know that some risk factors for heart disease and stroke affect women differently than men and there are disparities in how these risk factors are treated.”

Slightly more than 9 percent of the U.S. population had diabetes in 2012, while the number of people with Type 2 diabetes is increasing at a rapid rate. Type 2 diabetes is associated with the body not producing enough insulin to control blood sugar levels. Overall, men and women have similar rates of Type 2 diabetes, which affects about 12.6 million women and 13 million men age 20 and older in the United States.

The statement noted that women with Type 2 diabetes:

The statement also said African-American and Hispanic women with Type 2 diabetes are disproportionately affected by coronary artery disease and stroke as compared to men with Type 2 diabetes.

Observational studies suggest women with Type 2 diabetes may benefit more than men in reducing their risk of cardiovascular disease through lifestyle changes such as improved diet and more physical activity. But women may need to exercise more frequently and more intensely than men.

While the new scientific statement clarifies some diabetes-related sex differences in heart and blood vessel disease, more research is necessary, according to the authors. Areas for further research include why women react differently than men to some medications, and why the risk of death from heart and blood vessel disease is worse among minorities than among whites.

“To improve health equity in women and men with diabetes, we need to understand and improve both the biological reasons for the disparities and also control cardiovascular risk factors equally in both women and men,” Regensteiner said.