Tall, no child birth=High Breast Cancer risks?

According to a research conducted by Japanese Ministry of Labor, Health and Health service, a tall women who has never give birth to a child and has a early first period will have a higher risk of getting breast cancer.

The research concludes that a woman with a height over 1.6 meter(about 5'4) will be 2.2 times more likely to get breast cancer than a 1.48(4'8), tall women. Similarly, a woman who never gives birth is 2.2 times higher than the ones who do.

Read a Japanese report on this report here.(Yomiuri Shimbun)