Br J Cancer: Drinking too much, the risk of breast cancer is high

In most countries around the world, breast cancer (BC) is still one of the most commonly diagnosed cancers among women, and it disrupts the lives and health of millions of women

Although there is a linear relationship between drinking and BC, the role of drinking as a factor in the development of breast cancer in the early stages is not fully understood, and it is also necessary to explore the more sensitive time points of the harmful effects of ethanol on the female breast during the life cycle.

Researchers analyzed 1278 confirmed invasive BC cases in the Epi-GEICAM study from Spain and constructed a new group-based trajectory model based on age and residence matching control sample data to identify female life.

The drinking trajectory of four groups of women

The researchers found that compared with the drinking trajectory of the first group, the risk of BC risk in the fourth group doubled (hazard ratio OR=2.