One of the great paradoxes of the British home front was that wartime rationing, intended as an emergency measure, produced the healthiest generation in British history to that point. The Ministry of Food, led by the colorful Lord Woolton, implemented a rationing system that ensured equitable distribution of available food.
Before the war, diet was heavily class-dependent: the wealthy ate too much meat and sugar while the poor often suffered from malnutrition. Rationing equalized nutrition across social classes. The diet was heavy in vegetables, whole grains, and root crops, with limited sugar, fats, and processed foods—essentially what modern nutritionists would recommend.
Infant mortality fell dramatically, the average height of children increased, and rates of anemia and rickets declined. Dental health improved (less sugar), and diet-related diseases dropped across all demographics. The National Loaf—a wholemeal bread mandated by the government that was universally loathed—was ironically one of the healthiest staple foods Britons had ever consumed.