Obese Women Have a Higher Risk of Breast Cancer Than

Obese women have a higher risk of breast cancer than lean women because:

A) excess adipose tissue raises levels of estrogen in the body.
B) obese women eat high-fat diets.
C) lean women exercise more.
D) obese women often go through menopause earlier than lean women.
E) lean women have higher estrogen levels after menopause.