Cancer

There are more than 100 different types of cancer. Its two main characteristics are uncontrolled growth of the cells in the human body and the ability of these cells to migrate from the original site and spread to distant sites. If the spread is not controlled, cancer can result in death.

Cancer is second only to heart disease as a cause of death in the United States. In January 2012, the American Cancer Society’s (ACS) annual report on cancer statistics showed continued declines in U.S. cancer rates as measured by percentage of the population. Retrospective studies of data gathered between 2004 and 2008 showed declines in cancer death rates in both men and women. This trend continues to appear in...