Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Francis Collins - Cancer is a disease of the genome....
Cancer is a disease of the genome. And that's what happens. You make mistakes in a cell somewhere in your body that causes it to start to grow when it should've stopped, and that's cancer. And those mistakes are mistakes of DNA.