female hormone estrogen

(Johns Hopkins Medical Institutions) Using human breast cancer cells and the protein that causes fireflies to glow, a Johns Hopkins team has shed light on why some breast cancer cells become resistant to the anticancer effects of the drug tamoxifen.

The key is a discovery of two genetic "dimmer switches" that apparently control how a breast cancer gene responds to the female hormone estrogen.

This fact sheet provides basic information about soy—uses, potential side effects, and resources for more information.

Soy, a plant in the pea family, has been common in Asian diets for thousands of years. It is found in modern American diets as a food or food additive.

Soybeans, the high-protein seeds of the soy plant, contain isoflavones-compounds similar to the female hormone estrogen.

This fact sheet highlights what is known about soy when used by adults for health purposes.

This fact sheet provides basic information about the herb red clover—common names, uses, potential side effects, and resources for more information.

Like peas and beans, red clover belongs to the family of plants called legumes. Red clover contains phytoestrogens—compounds similar to the female hormone estrogen.