8. Hydrogenated Oils
Hydrogenated oils are frequently deodorized and colored to look appealing. They contain high levels of Omega-6 fatty acids, which can cause heart disease and various cancers, especially skin cancer.
9. Pickled and Smoked Foods
Smoked foods contain considerable amounts of tar which is a known carcinogen. Meanwhile pickled foods, cured by nitrates and also colored, are associated with higher rates of colorectal and stomach cancer.