Spread cream cheese in the shape of a ghost onto whole grain toast for a healthy Halloween snack. Opt for organic cream cheese (or any dairy) when ever possible - studies from Harvard researchers show pasteurized milk product from factory farms is linked to causing hormone-dependent cancers. Concentrated animal feeding operations (CAFO) model of raising cows on factory farms churns out milk with high levels of estrone sulfate, an estrogen compound linked to testicular, prostate, and breast cancers.