Depression may harm young people's physical health long before any obvious signs appear (opens in new tab)

A groundbreaking new study tracking almost 2,000 young Australians for a decade has challenged a long-held assumption about depression and physical health, finding disrupted sleep was a stronger predictor of later insulin resistance rather than weight gain. The research from the University of Sydney's Brain and Mind Centre found that weight gain is not the main reason depression is linked to later insulin resistance, which is an early marker of diabetes and heart disease.