The study found eating six servings of fruit and vegetables per day per 1,000 calories cut the risk of head and neck cancer by 29 percent compared to eating one and a half servings.

• 研究发现，与每天吃一份半蔬菜和水果相比，每天吃六份相当于1000卡热量的蔬菜和水果，可使头颈癌的发病率降低29%25。