For many who has Asian friends that drinks and turns crazy red afterward. Here's an interesting read:
http://bodyodd.msnbc.msn.com/_news/2010/12/27/5720595-asian-flush-red-flag-for-risk-of-cancer
http://bodyodd.msnbc.msn.com/_news/2010/12/27/5720595-asian-flush-red-flag-for-risk-of-cancer