Add in the various over-the-counter remedies for flatulence, constipation, diarrhoea, hay fever and the common cold, and the average American might seem to be a pill-popping hypochondriac.
Much like the obligated colonoscopy who will almost always find a polyp, most procedures are just a business activity to keep healthy individual under check for no reason, other than pure hypochondriac needs.
Familiar diseases are given a fresh gloss, while even the most devoted hypochondriac will find some new ones to worry about. (Ever heard of parrot fever?) One of the most surprising chapters is on HIV, about which much has already been written.