This email began appearing around 2007 as a preface to another email making circulating at the time about the dangers of microwaving plastic. It gives a long list of various nutritional methods to combat cancer attributed to Johns Hopkins University, implying that these methods are more effective than traditional approaches of chemotherapy, radiation, and surgery.

Johns Hopkins had nothing to do with the email nor do they consider its contents valid. In fact, the university has published a rebuttal of its claims. For a comprehensive review, see www.snopes.com