That can be supplied by an antagonist called Aldopa - which is not exactly the same as dopamine, it's slightly different.

这种物质能够由一种拮抗剂,叫做阿多巴转化而来,但它与多巴胺的结构并不完全相同,有一点差别

耶鲁公开课 - 生物医学工程探索课程节选

In fact, people do consume foods with cholesterol, but most of the cholesterol in the body is synthesized from foods that don't have cholesterol itself but have fat that the body turns into cholesterol.

实际上,尽管人们食用含胆固醇的食物,但人体内大多的胆固醇都是由,本身不含胆固醇的食物的脂肪,转化合成而来的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选