Nadja Hermann is a behavioural psychologist with a background in nutritional science. She meticulously documented her own weight loss, researched countless scientific studies, drew cartoons to illustrate what she learned, and initially self-published an e-book in which she debunked all the old lies about losing weight. She also launched her blog fettlogik.wordpress.com, which has attracted many hundreds of followers. She lives with her husband in southern Germany.
