According to Kings College London biochemist Dr Robert Williams, a flavonoid found in cocoa called epicatechin is being researched as having a positive effect on protecting brain and body cells against cancer and dementia.

The naturally occurring flavonoids not only act only as antioxidants, which help protect cells from damage caused by free radicals, but may also delay the onset of illnesses such as Alzheimer’s disease:
Central to the development of Alzheimer’s disease is beta-amyloid peptide, a substance normally produced in the brain but which in Alzheimer’s is deposited abnormally.
Williams has shown that flavonoids can protect brain cells against the toxic actions …read more

Everyone remembers the red dye cancer scare from the early 90’s and the subsequent bags of redless M&M’s or cans of cherry-less fruit cocktail.
It was found that large amounts of it caused cancer in lab rats, but as more research was done it was determined that small amounts of it were safe and the health risks were small, though certain uses are still banned today. Many manufacturers switched to a different red dye anyway.
However, a recent study has found that some dyes might be good for you and could actually protect against cancer!
A researcher in Oregon added aflatoxin …read more