Question

We are taught that cleanliness is a vital part of daily life, that antibacterial soaps, cleaning products that completely eliminate the possibility of germs on surfaces, cooking and food handling that absolutely precludes the chance of ingesting a "bug," is an essential path to good health. this approach is now under scrutiny because of our understanding of

Answer 1

The appropriate response is human microbiomes. The microbiome is characterized as the aggregate genomes of the organisms that live inside and on the human body. We have around 10 fold the number of microbial cells as human cells. 
The human microbiota comprises of the 10-100 trillion harmonious microbial cells harbored by every individual, principally microorganisms in the gut; the human microbiome comprises of the qualities these cells harbor