In the field of medicine implants have been around for many years, for example dental implants.
Presently the pill one pops in one's mouth to help an ache or to reach the site of an infection has a long journey fraught with perils that can end the journey without reaching the appointed destination. That pill must travel through the stomach, get to the intestines in one piece, and then cross the intestinal wall into circulation. Before it gets to the rest of the body it must also get filtered through the liver.
Pharmaceutical makers coat the pill to protect it through
