Ferri and colleagues asked 7 men and 8 women, all healthy, to eat 100 grams of dark chocolate or 90 grams of white chocolate every day for 15 days.

• 费里教授和他的同事们找了七名健康的男性和八名健康的女性，让他们连续15天每天食用100克黑巧克力或90克白巧克力。