Getting your Trinity Audio player ready... By Sally Adee For The New York Times In 2013, a British journalist and a doctor introduced an obscure dietary protocol to the wider culture. The idea was simple: Two days a week, eat almost nothing — fewer than 600 calories. The rest of the time, eat normally. The writers, Dr. Michael Mosley and Mimi Spencer, claimed “The Fast Diet” could help you shed fat, reverse Type 2 diabetes and stave off age-related diseases of mind and body.