Click to Cure Cancer
   Make a free donation to laboratory research departments at The Memorial Sloan-Kettering Cancer Center in New York.
   http://www.craigresearchlabs.com/cancer.html

Climb to End Breast Cancer
   Care2com free donation site for breast cancer.
   http://breastcancer.care2.com/

The Breast Cancer Site
   Founded to help offer free mammograms to underprivileged women nationwide. With a simple, daily "click" visitors help provide mammograms to those in need.
   http://www.thebreastcancersite.com/