Wildfire smoke can travel far beyond the fire itself, crossing borders and turning a distant blaze into a real public health concern. Here’s how it moves, why it lingers, and what that means for the people breathing it in.

The global cancer report 2026 highlights real progress in prevention, early detection, and treatment, but it also shows that access and outcomes still vary sharply around the world. By pinpointing the biggest gaps and priorities, it offers a clear roadmap for making cancer care more equitable and effective.