Ms Martin's dementia interferes with her insight and it may be considered acceptable to override her autonomy by reference to the principle of non-maleficence - the requirement to prevent harm.

马丁女士痴呆症妨碍了洞察力，因此，根据无罪原则，自主性可以认为是可取，因为这是防止伤害需要。

A study in the current issue of the journal Neurology examined 911 nonagenarian Americans and found that 45 percent of the women had dementia, compared with 25 percent of the men.

最新一《神经学》杂志上表一项研究，调查了911名超过九十岁美国人，45%女性患有痴呆症，而患此病男性只有25%。