At the University of Guelph, researchers have turned their attention to the quiet machinery running inside young children — the clock genes that govern hunger, sleep, and energy — and found that variations in these genes may shape how much and what kind of food children under six are drawn to eat. Published in the journal Nutrients, this first-of-its-kind pediatric study does not offer a simple cause, but rather a new biological thread in the long, complex story of why some children are more vulnerable to obesity than others. Early childhood, that brief and formative window when habits take ro