Professor Baird said animal tests showed the new pill actually inhibited the development of breast cancer.

BBC: NEWS | Health | Birth pill 'may cut cancer risk'

Parabens have the ability to mimic the hormone estrogen, which may play a role in the development of breast cancer.

FORBES: iPhone Apps That Could Save Your Health, If Only They Existed

An understanding of the hormonal nature of breast cancer has led to the development of highly effective treatments for the most common form of breast cancer in postmenopausal women.

FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?

Furthermore, follow-up of women exposed to the atomic bomb at Hiroshima showed that exposure during adolescence (during breast development) carried a much higher risk of breast cancer than exposure later in life.

FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?

The model also suggested that an anti-inflammatory drug called celecoxib should bind with CDH11, a protein which plays an important role in the development of both rheumatoid arthritis and metastatic breast cancer.

ECONOMIST: Computers may give new life to old medicines

The Genentech drug has slowed down colon tumors, non-small cell lung tumors and now breast tumors, and has opened up more areas for development of future medicines.

FORBES: Magazine Article

Sheller explains that Risperdal stimulated the production of prolacting, which is a hormone released by the pituitary gland that stimulates breast development.

FORBES: J&J Sees Male Breasts And Quickly Settles Risperdal Suit

Kadcyla, known as an "antibody-drug conjugate, " represents "a completely new way" to treat HER2 positive metastatic breast cancer, said Dr. Hal Barron, chief medical officer and head of global product development for Genentech.

CNN: New late-stage breast cancer treatment approved