Reds, greens, yellows and blacks.
Eat as many colourful fruits as possible, yes really, unlike color additives these are actually good for you!
”For example, research suggests that eating an apple a day really may keep the doctor away, by helping to prevent throat, mouth, lung and possibly breast cancer, noted Stacy Kennedy, a senior nutritionist at the Dana-Farber Cancer Institute in Boston.” Via this article
And apparently liquorice cures alcoholism- that’s just my own personal opinion though.