href="http://en.wikipedia.org/wiki/Cancer#cite_note-Nutri06-14" style="background-attachment: initial; background-clip: initial; background-color: initial; background-image: none; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #0645ad; text-decoration: none; white-space: nowrap;">[15] A high salt diet is linked to gastric cancer, aflatoxin B1, a frequent food contaminate, with liver cancer, and Betel nut chewing with oral cancer.^[16] This may partly explain differences in cancer incidence in different countries for example gastric cancer is more common in Japan with its high salt diet^[17] and colon cancer is more common in the United States. Immigrants develop the risk of their new country, often within one generation, suggesting a substantial link between diet and cancer.^[18]