‘Truths are illusions which we have forgotten are illusions.’—Friedrich Nietzsche, 1873
In order to make a patient diagnosis, clinicians start by taking a history. Faced with an epidemic, scientists and public health workers begin their diagnostic analysis by researching historical evidence.
Obesity is a disease that has become a world epidemic. World Health Organization data for 2016 list 1.9 billion adults (39%) aged 18 years and older as overweight