BBC NEWS | Health | Black women get cancer 'earlier'

http://news.bbc.co.uk/1/hi/health/7191268.stm

A survey of 293 women in the ethnically mixed London borough of Hackney found black women were 21 years younger than white women when they were diagnosed.

There may be biological differences in how the disease develops, the British Journal of Cancer study suggests.

Researchers say further work is needed into a field which has been neglected.

While it is known that breast cancer affects more white women than black, UK cancer registries have only recently started to collect ethnicity data and there is little understanding of if, and indeed how, race affects the development of the disease...MORE