Malnutrition problems can be traced to poor-quality diets lacking in diversity, a recent phenomenon in evolutionary history, according to a new paper from the Brown School at Washington University in St. Louis.”Earlier diets were highly diverse and nutrient dense, in contrast to modern food systems in which monotonous diets of staple cereals and ultra-processed foods play a more prominent role,” wrote Lora Iannotti, associate professor and senior author of the paper, “Genome-nutrition Divergence…