Arthur Stewart Truswell

• This paper contains the following sections, in approximate chronological order: Early years, Scientific research on energy metabolism, Clinical teaching, Evidence on health risks, Slow recognition of obesity in diabetes, Depression and war, some Obesity research continued in the 1950s and 1960s, New approaches to management, a Universal standard weight for height, Luxuskonsumption, Calories (incompletely) replaced by Joules, Food intakes of obese people, Genetics, unexpected Surge of obesity from 1980, Diabetes, Scarcity of effective, safeThis paper contains the following sections, in approximate chronological order: Early years, Scientific research on energy metabolism, Clinical teaching, Evidence on health risks, Slow recognition of obesity in diabetes, Depression and war, some Obesity research continued in the 1950s and 1960s, New approaches to management, a Universal standard weight for height, Luxuskonsumption, Calories (incompletely) replaced by Joules, Food intakes of obese people, Genetics, unexpected Surge of obesity from 1980, Diabetes, Scarcity of effective, safe drugs for obesity, Leptin and Ghrelin stimulate basic research, Why has the obesity epidemic happened? What is the best weight-reducing diet? Bariatric surgery…