What are in every one's mouth good...

What are in every one's mouth good manufacturing practices (cGMPs)? Where did they approach from? What are the actual "practices" described in the digest of Federal Regulations, 21 CFR If you are recently made known to the pharmaceutical or biotechnology industries, you may record your first "GMP Training" session without abundant context or perspective. A plant of arcane rules is presented; you were in no degree taught these in science classes. What is all the fuss about? The emphasis makes you think it is difficult, still the content may seem quite simple... until you travel and try to set them into practice.