吃蔬菜似乎能帮助大脑青春常驻，同时可能延缓由年龄增长造成的智力下降。每天吃两道以上蔬菜的老人比那些很少吃或根本不吃的同龄人大约年轻五岁。这可能源于绿叶菜中含有大量维生素E，据信能帮助抗击人体内产生的能破坏细胞的化学物质。一般来说蔬菜里的维生素E比水果中的多

(1)Those who win an Oscar enter into a whole new competition when they give their acceptance speech: As if walking away with a little gold man wasn’t enough of a feat, they must then make—at the very least—an acceptable acceptance speech in which they remember to thank all the important people. But of course, it’s better to be memorable. Sometimes, it’s actions, not words, that make the speech more memorable.
(2)Eating vegetables appears to help keep the brain young and may slow the mental decline sometimes associated with growing old. Older people who ate more than two servings of vegetables daily appeared about five years younger than those who ate few or no vegetables. That may be because vegetables contain healthy amounts of vitamin E that is believed to help fight chemicals produced by the body that can damage cells. Vegetables generally contain more vitamin E than fruits. Vegetables also are often eaten with healthy fats such as salad oils, which help the body absorb vitamin E.