Strong-flavored onions can be harsh on your social life, but they're potentially great for fighting cancer. Researchers at Cornell University have found, in preliminary lab studies, that members of the onion family with the strongest flavor -- particularly New York Bold, Western Yellow and shallots -- are the best varieties for inhibiting the growth of liver and colon cancer cells.
Strong-flavored onions can be harsh on your social life, but they’re potentially great for fighting cancer. Researchers at Cornell University have found, in preliminary lab studies, that members of the onion family with the strongest flavor — particularly New York Bold, Western Yellow and shallots — are the best varieties for inhibiting the growth of liver and colon cancer cells.
http://www.sciencedaily.com/releases/2004/10/041022105413.htm