For the past century or so, the human race has been struggling to undo the millennia of genetic programming that tells us to eat. Eat what you can, take pleasure in your food, for it may be weeks before you stumble across another wounded aurochs. In the early 20th century, concerns about obesity, mostly cosmetic, resulted in the creation of libraries of diet literature. While most advice had the familiar and reasonable refrain of "eat less and exercise," there were occasional divergences into the maniacal that gave weight-loss advice of this era a memorable, frightening charm.
Are you fat?
The first question you must ask yourself is, "Are you fat?" If you are unsure, Mrs. Annette Kellerman, in her 1918 book Physical Beauty, How to Keep it, has devised a number of tests to reveal your condition. Now get naked.