Adults eating the there boogers out of there nose. Normal for some kids, but what about adults?
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its normal. in fact its healthy. It exposes your body to bacteria and your immune system gets used to it.. yeah, i do it sometimes.. im sure everybody does or did.
Bukkake.
that's just pathetically dumb to do.
it is a habit that started when they where a kid and they sub-consciously do it
I wouldn't admit it at a family dinner, but I still do it. Yeah, I know it's gross, BUT...
I used to wipe them on the walls, chairs, wherevever, when I was a kid. I was punished for it. Now, I just dispose of them in the fastest way possible. If a have a tissue, I'll use it. If not...down the hatch. Yeah, gross, I know, but old habits.
What ever sloughs off will end up in the stomac whether it is sniffled in or extracted and re-inserted through the mouth. If it is infected, the whatever infects it will PROBABLY die in the hyper-acidic environment of the stomac.
Indeed MOST of what we eat has some amount of living bacteria on or in it - but it gets killed in stomac acid. Stomac acid is both a marvelous means of breaking down food to more digestable size and preventing infection. I don't imagine there is enough of it to have any useful nutritional value.
The system is not perfect. Some bad stuff does get through, and of course many bacteria emit byproducts that, although the bacteria may die, the byproducts may cause us to get sick.
However, to extract the ... material in question ... it means that the person is sticking his or her fingers into her nose and of course who knows what the fingers are covered with. Its probably worse to put them in your nose than your mouth, simply because the mouth is more "hostile" to bacteria etc. (saliva is acidic) - so it has more of a chance to setup house and cause an infection.
Neither the mouth nor the nose is by any stretch sterile.
Imagine the following scenario:
1: Someone has a cold
2: They sneeze into their hand
3: They shake hands with somebody
4: That person then sticks his finger into his nose
All that being said, with the exception of places where people are likely to be immuno-compromised (e.g. hospitals), I think Americans spend too much time worrying about keeping themselves sterile.
Children particularly need to be exposed to allergins early in their life or they will have allergic reactions later on. It is best to be exposed early to "program" the body to respond correctly.
If you're parents kept an immaculate house, you're far more likely to be allergic to mold. cats, dogs, etc.
There's a happy balance out there, but if there's one thing we know about physiochemistry and pathogens is that that happy balance is likely to be different for each person.
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