HealthDay News

TUESDAY, Jan. 4 — Rates of head and neck cancer are rising among some groups of people, including young women without any known risk factors. Now, a study suggests that estrogen may help the cancer spread by boosting the movement of precancerous cells in the mouth.
Click here to find out more!Previous research found that the body changes how it handles estrogen after the lungs are exposed to smoke. This may lead to lung cancer.

In the new study, researchers examined how estrogen affects cells that are cancerous or primed to become cancerous. They found that an enzyme called CYP1B1 is linked to reproduction in precancerous cells.