The Harvard Center for Cancer Prevention has created a site called "Your Cancer Risk". This site is an extention of their existing site called "Your Disease Risk", which calculates the chances of getting five different diseases in the US. All you have to do is answer a series of questions about your health, and it will display information about your risk levels. The site also offers tips for what you can do to further lower your risks.
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The Alibi and Excuse Club
Here is a description of the club from the site: "This Club was created to get out of any fix at any time! This club allows you to receive Alibis and Excuses from a support group of friends who have been in your shoes. If you need Alibis, let your support group help!!"