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On the Human skin are living more creatures of these, than existing Humans on Earth. For example, these are running across your face right now without you noticing. All of us have these maskots.
This is triggering a phobia in me. I don't want to imagine them creeping on me.
Are these the things I was told are beneficial as a kid?
They feed on dead skin cells and prevent infections. Yes, most of them are beneficial, just like those that live inside us. Although naturally there are also harmful ones, although they are usually the exception. This is why don't Panic knowing that bacteria and bugs like these account for several kilos of our weight. Its benefit is noted among others in digestive disorders and other side effects after treatment with antibiotics, which unfortunately also kills them..
delet
I need sources, I want to see more photos
On the Human skin are living more creatures of these, than existing Humans on Earth.
Are you sure? I remember reading that about bacteria, not mites.
yes, Bacteria certainly vital for us, but also certain mites can have certain positive immunologyvefects. The human body is an full ecosystem, because of this an antibiotic abuse can have several negative effects. Antibiotics are important in bacterial infections, but not, as is often the case, in viral diseases, colds or prophylactically, worse, many times without a medical prescription..
You forgot to answer the question
I meant that the question wasn't about the positive effects of parasites but about the number you mentioned.
The total bacteria mass [they] find represents about 0.3% of the overall body weight, significantly updating previous statements that 1%–3% of the body mass is composed of bacteria or that a normal human hosts 1–3 kg of bacteria [NIH. NIH Human Microbiome Project defines normal bacterial makeup of the body. Natl Institutes Heal 2012. (accessed January 3, 2015). link 5th paragraph from top].
They were asking about mites, not bacteria, which is what the pictures are depicting.