Is it worth carrying alcohol hand wash and regularly using it for health reasons? I'm unsure how real the threat actually is for people with normal lifestyles.
Small bit of anecdotal evidence: I've started using it once I got to my latest work environment as soon as I noticed that the place is basically perpetually-contaminated and, well, plain dirty. Carrying a small bottle around to use whenever you're about to unexpectedly end up putting your hands on your face is also something I was taught to do.
Turns out that it's useful in both cases for me, since it's easy with a bit of experimentation and discipline to strongly correlate to a 90% prediction accuracy times when you don't disinfect your hands before putti...
If it's worth saying, but not worth its own post, even in Discussion, it goes here.