- Reduced Endometrial Cancer Incidence in Coffee Drinkers - Researchers have noted a reduced endometrial cancer incidence in coffee drinkers. br Data from the Harvard School of Public Health Nurses’ Health Study indicates that high coffee consumption is related to a twenty-five percent lower incidence of cancer of the lining of the uterus, endometrial cancer. br Endometrial cancer is the most common type of cancer of the uterus.