The study of immunology is the study of mechanisms that your body uses to protect itself from mainly from foreign pathogens like viruses and bacteria.

免疫学研究身体,采用何种机制来保护自身,免受外源病原体如病毒和细菌的伤害

耶鲁公开课 - 生物医学工程探索课程节选

When people are eating foods that are too high in fat and sugar and they eat these foods consistently, and have other bad nutrients like trans fats, a lot of bad things happen to the body.

如果人长时间吃,高糖高脂肪的,并含有不良成分如反式脂肪酸的食品,身体就会出现许多不好的反应

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选