"For centuries, man has searched for the elixir of life—a distillation that could bestow vitality, happiness, and immortality. But it took American marketing specialists to discover the brew that eluded medieval alchemists, Arab mystics, and the Ming emperors. It turns out that there is indeed an essence that ensures health, spiritual harmony, and moral merit. It is called green tea. ..."
Here's an interesting and humorous article about one element of the galaxy of food fads that pervade our lives today.
My wife and I have been drinking green tea for years, and while we have been aware of some tenuous associations with health and longevity, it is not that that keeps us drinking it.
Besides which, there's always dark chocolate, if you want to really enjoy yourself while preventing oxidation of fats in your body...