I haven't been sick in many, many years. I started out with relatively asymptomatic mono, which then weakened my immune system, and allowed a minor sinus infection turn into pneumonia in a matter of days... I am surrounded by coughing, hacking, sick kids all day, and ironically, I wasn't even working for 2 weeks when it all started.

@Bubbleboy What? How do you know _________'s immune system is weak because of poor diet? Yes, that is a factor in functioning immune systems, but it's not a single issue. Genetics, exposure to bacteria/viruses, stress, and time of the year are all very prominent factors in determining the strength of ones immune system.