In Defense of Food tackles a question more and more people around the world have been asking: What should I eat to be healthy? Based on award-winning journalist Michael Pollan's best-selling book, the program explores how the modern diet has been making us sick and what we can do to change it.。该片以视听障碍人支援法《海伦凯勒法》为素材。《海伦凯勒法》是指国家人权委员会2008年1月针对视听障碍残疾儿童不能接受教育的现状进行调查,并制定的相关政策。虽然已经过了12年,但人们对视听障碍人的认识仍然很落后。。