"that blood is very sterile" Please, if you can find a microscope, go look. Use your eyes. Your blood system is absolutely not sterile, that is a wildly non-sc

"that blood is very sterile" Please, if you can find a microscope, go look. Use your eyes. Your blood system is absolutely not sterile, that is a wildly non-scientific thing to say. Your immune system can not possibly go after ever protein it meets, otherwise you would be allergic to all food, and you would die. When you see an article such as "The dormant blood microbiome in chronic, inflammatory diseases" ask yourself, what is a dormant blood microbiome? https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4487407/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4487407/