But I thought he was always so sick 'cause of the drinking. 我以为他是因为酗酒才一直病的那么严重

773. He had a blood condition known as hemachromatosis.
     他患有血色素沉着病
774. The disease causes an excess amount of iron to build up in the body,
     这种病会导致体内铁元素堆积过剩
775. and that's what caused the heart failure, not the paracentesis.
     这才导致他心脏衰竭 并非穿刺术
776. But I thought he was always so sick 'cause of the drinking.
     我以为他是因为酗酒才一直病的那么严重
777. And you never let him forget it... or me.
     你时刻在强调他的错 甚至也不让我释怀
778. - Mom... - There's something else.
     -妈 -还有一件事
779. The disease is genetic.
     这种病是遗传性的

来自《实习医生格蕾 第一季 第九集 Grey's Anatomy S01E09》第 776 行