Onions have been ranked on their ability to fight cancer, and if you value your health more than fresh breath, take note: The stinky ones win out.

US researchers at Cornell University in Ithaca, New York have helped answered a question that surely plagues many a grocery shopper: Which type of onion will best help me ward off liver cancer and colon cancer?

While it may sound humorous, onions are thought to be good cancer fighters, and now study leader Rui Hai Liu and colleagues have shown that amongst onions, those with the strongest flavor have the highest antioxidant activity and are best for inhibiting the growth of liver and colon cancer cells.

More here.