Seminal study found significantly higher risk of heart disease, stroke, breast cancer from combined hormone replacement therapy; as a result, 15,000-20,000 fewer breast cancer cases each year
New Hutchinson Center research will enlist 8,000 women over 80 to determine activity levels needed to maintain heart health and prevent injury from falls
Longer-term Women’s Health Initiative follow-up of estrogen therapy users finds reduced risk of breast cancer, decreased heart disease in younger women