Five cups of coffee per day linked to lower breast cancer rates
Jun 10, 2011
Researchers in Sweden have found that the rate of developing ER-negative breast cancer was 57 percent less for women who drank five cups of coffee or more each day, according to a new report from CBS News.
Five cups is an extraordinary amount of coffee for most, but scientists at the Karolinska Institute in Stockholm looked at 6,000 women between 50 and 74-years-old, some of whom consumed this much.
However, before all women start drinking massive amounts of coffee, the jury is still out as to why this link exists and through what mechanisms.
"Before I would go to tell my neighbors to start drinking more coffee than they already do, I would like to know what is the biological mechanism at work here. And that's not yet clear," study author Dr. Per Hal, professor of medical epidemiology and biostatistics at the institute, told HealthDay.
In the U.S., more than 200,000 women are diagnosed with breast cancer each year, according to BreastCancer.org. All women over the age of 40 should receive yearly mammograms, and younger women should have regular clinical exams.