Nieca Goldberg, MD, medical director of the Joan H. Tisch Center for Women’s Health and the Women’s Heart Center at NYU Langone, has seen women’s heart health go ignored by cardiologists for much of her career. She and other cardiologists are advocating for gender equality in the research and diagnosis of heart disease.

The risks and symptoms of heart disease can be very different for men and women. Despite these differences, heart attacks have been treated as primarily a male problem for most of medical history. Women make up less than 30 percent of clinical trials for heart failure and coronary disease.

Dr. Goldberg tells CNN how this discrepancy can cost lives: “Because research and treatments for heart disease were historically designed for men, many women and their doctors have missed the signs and risks of heart attacks, which can be very different between the genders.”

Read more from CNN.