Hypomelanosis conditions are known since ancient times. The most ancient names to describe these pictures were "Shwetakustha" and "Suitra".

An investigative piece so explosive, no book company marketing hyperbole can be left out.

"After reading BIG FAT LIES you will never trust the government again - Dr John Briffa"

Hannah Sutter says she has used the analytical eyes of a lawyer to look at the facts and myths of obesity, health and diet and says the proportion of men and women classed as obese has risen steeply in recent years, though there has been no particular increase in the number of people who are overweight, and calorie intake has generally decreased. So we are eating less but obesity has increased. What's going on?

The criteria used to assign patients to specific psychiatric disease categories are set out in the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association. (There is also a World Health Organisation equivalent, the International Classification of Disease). Every so often, these criteria are revised to reflect new research and changing concepts of disease. The APA has just released a draft of preliminary revisions to the current diagnostic criteria (available at http://www.dsm5.org/) as part of the preparations for the fifth release (DSM-5), due out in 2013.