Scientists at Erasmus University in Rotterdam, the Netherlands, conducted a six-year study of 5,395 people aged 55 and over who did not have sig of dementia.

• 过量饮酒的不良作用是毫无疑问的。除了损伤肝脏，许多研究已证明，过量饮酒可使大脑中毒。饮酒过量者最终会导致大脑萎缩，造成痴呆。甚至医学上就专门有"酒精中毒性痴呆"一说。