Carcinogens, food dyes, food preservatives, pesticides, nitrates and chemicals used to make cosmetics are just a few things that cause cancer, according to Dr. Samuel Epstein. He explains that the public has the right to know what’s being put into our food and into everyday items that we use. One of his missions is to get labelling on packages changed to include more information so the public can be aware and forewarned of harmful ingredients that cause cancer.