Cancer

Cancer is a disease through your body. According to the infobox you are watching, it is spread by blood, and is caused by Stem cells who are maniacs. They duplicate, and it can be chronic, thus making you die from it, or just have tumors; it is killed by gamma rays. Chemotherapy is a way to destroy, but it will kill normal cells.
When Harry S. Truman set the atom bomb, it killed people and gave them cancer for more than 5 years. Fred Rogers, one of the world's best heroes, died of stomach cancer.
Category:Important
Category:Biology
Category:Body
Category:Death causes