3.As a result，claims that eating a diet consisting entirely of organically grownfoods prevents or cures disease or provides other benefits to health havebecome widely publicized and form the basis for folklore．
(同位語從句claims that…)
結(jié)果，那些認為只食用綠色食品就能防治疾病或增進健康的觀點廣為人知，并成為一些民間說法的基礎(chǔ)。
分句1：that eating a diet consistingentirely of organically grown foods prevents or cures disease or provides otherbenefits to health
分句2：claims have become widelypublicized and form the basis for folklore
分句2嵌套分句1，分句1作為分句2主語的同位語從句嵌套在分句2中。因此本句的主句是claims have become widelypublicized and form the basis for folklore. 那些觀點廣為人知，并成為一些民間說法的基礎(chǔ)。同位語從句是that eating a diet consisting entirely of organically grown foodsprevents or cures disease or provides other benefits to health：只食用綠色食品就能防治疾病或增進健康