Eaker Epidemiology Enterprises, LLC has conducted research on breast and cervical cancer screening, Alzheimer's disease and medical care utilization, psychosocial risk factors for heart disease, atrial fibrillation and total mortality, and the effect of HRT on the risk of coronary heart disease in women. Research has included collaboration with a number of universities and medical centers, such as Boston University, the Framingham Heart Study, and the Medical College of Wisconsin