Facts and myths about antioxidants and cancer

May 02, 2014
Some of the most popular misconceptions surrounding cancer, cancer prevention and cancer treatment are about the role of antioxidants. Like many of the popular myths about cancer, there are facts, half-facts and outright falsehoods.
 
Fact: Damage to genes, particularly those involved in the regulation of cell division and cell death, is the key event in the development of cancer. 
Fact: Oxidants are substances, most often generated by our own body, that cause damage to chemicals, including the DNA that makes up our genes, by oxidizing them. The oxidation reaction most familiar to us is when metal rusts. 
Fact: Our bodies’ oxidants can contribute to cancer.
 
Half-fact: Antioxidants are chemicals we ingest that then run around neutralizing oxidants, rendering them powerless to promote cancer. The so-called antioxidant vitamins, of which vitamin C, E, and beta-carotene are the...