Is it just me or are people getting so germophobic they rival "Monk" in worrying about being infected? First of all, urine is sterile so even if you do get trace amounts on your hands, you should be okay. Second, with all this hand-washing, anti-bacterial everything and such, why aren't diseases getting any less easier to catch and at the same time, getting harder to treat? As for colds and many such pathogens, they're also airborne so all the washing in the world isn't going to prevent the breathing in of someone elses germs. I catch, maybe, one cold a year and that's only around September because children are starting school and suddenly bringing germs back home to their parents.....who spread it to everyone else.
There's a reason why toddlers catch more illnesses than at any time in their life, because their immune systems are new to fighting pathogens and have to build up resistance over time by getting sick more often. Our systems lack this germ "weight training" when we over do germ protection so it gets easier to get sick when one invades the weakened immune system. It's okay to wash our hands at appropriate times and keep clean but trying to avoid every single germ is futile.
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"There is difference and there is power. And who holds the power decides the meaning of the difference." --June Jordan