[2] This page lists widely reported media stories about how some good or product may have a certain adverse health effect, regardless of whether subsequent research confirmed the proposed link, debunked it, or has been inconclusive.
[5] The vaccine-autism link, since it has led to declining vaccination rates and, in turn, epidemics and deaths of vaccine-preventable diseases, has been called the "most damaging medical hoax of the last 100 years.
[8] However, according to the American Cancer Society, SLS is an irritant, not a carcinogen, and according to David Emery of About.com, this claim is promoted primarily by makers of all-natural personal care products.
[11] Although, in 1996, the United States National Research Council concluded that "the current body of evidence does not show that exposure to these fields presents a human-health hazard,"[12] some studies have reported an association between the two, e.g., for myeloid leukemia and Hodgkin's lymphoma.
[17] Others, such as the World Cancer Research Fund, disagree, saying that people should limit their consumption of processed meat because "Dietary nitrates and nitrites are probable human carcinogens because they are converted in the body to N-nitroso compounds.