http://www.wired.com/medtech/health/news/2007/04/bacteriahacking
That's it, I'm not washing my hands any longer.
Modern humans are bacteria-killing machines. We assassinate microbes with hand soap, mouthwash and bathroom cleaners. It feels clean and right.
But some scientists say we're overdoing it. All this killing may actually cause diseases like eczema, irritable bowel syndrome and even diabetes. The answer, they say, is counterintuitive: Feed patients bacteria.
..
And it now appears that our daily antibacterial regimens are disrupting a balance that once protected humans from health problems, especially allergies and malfunctioning immune responses.
That's it, I'm not washing my hands any longer.