Researchers from Indiana University analyzed data on 3.8 million people diagnosed with cancer between 1973 and 2004. This study looked at 5 and 10-year survival rates for the following groups: married, widowed, divorced, never-married, and those going through a separation at the time of diagnosis. Married people, more than any other relationship status, have the highest likelihood of survival when fighting cancer. According to this research, love and support of a partner is essential in battling against illness. Read More.