A population study suggests the human body may already be responding to changes in the composition of the atmosphere. The air outside may be leaving a subtle signature in human blood. Researchers have identified gradual changes in a key carbon dioxide-related blood marker and warn that it could approach the upper limit of its healthy [...]

New data reveal major geographic disparities and highlight the urgent need for global action on prevention, early detection, and equitable access to treatment. For roughly one in five people worldwide, cancer will become part of their lifetime. Global Cancer Statistics, 2026 estimates that nearly 21 million people were diagnosed with cancer in 2024 and 9.8 [...]