Psychology

Weight loss is harder than a simple calorie arithmetic model predicts because the body actively defends fat stores through hormonal and neurological adaptation. This article reviews the biological mechanisms that make weight loss difficult and what evidence-based approaches can overcome them.

Music during exercise measurably improves performance, reduces perceived exertion, and increases exercise adherence. This article reviews the evidence on how music affects exercise outcomes and how to use it effectively for weight loss.

Breakups produce acute and sustained stress responses that affect appetite, cortisol, and eating behaviour in both directions — weight loss from suppressed appetite or weight gain from emotional eating. This article reviews the biology, patterns, and practical approaches.

Online weight loss communities — including humour-based content — provide social normalisation and reduce stigma. This article reviews the evidence on social support, social comparison, and how online communities affect weight loss motivation and outcomes.