Pearse McCarthy talks to world-leading experts in obesity for world obesity day.

Overweight and obesity represent a rapidly growing threat to the health of populations in an increasing number of countries. This global pandemic affects the health and wellbeing of people worldwide. No one person or one country can counter the rise in obesity but by joining forces we can provide a powerful voice. We will use this voice to call for changes to policies, and legislation so all people have equal access to health-promoting environments.