The adult human has two to nine pounds of bacteria in his or her body. Every day, you consume more bacterial cells than there are human cells in your system. You have been infected and invaded by more pathogens than you could count in one lifetime. Your body has fought ten trillion battles without your knowledge and the fact that you are sitting in front of your computer, reading this post means that you have won every single one.

The adult human has two to nine pounds of bacteria in his or her body. Every day, you consume more bacterial cells than there are human cells in your system. You have been infected and invaded by more pathogens than you could count in one lifetime. Your body has fought ten trillion battles without your knowledge and the fact that you are sitting in front of your computer, reading this post means that you have won every single one.