? Drinking, even moderately, increases the risk of breast cancer by 20 to 30%.

Another story of female hormones : alcohol increases their influence. And this, from the second glass. Suddenly, alcohol could be the cause of a breast cancer in ten in France.

" The risk increases with an additional 10 g of ethanol, an alcoholic beverage ", insists Dr. Françoise Clavel-Chapelon. The reasonable dose: one drink a day or three glasses twice a week.

Good news, however, high intakes of folate could reduce the negative effect of our small excesses. One more reason to eat a lot of leafy vegetables (spinach, salad, broccoli ...).