In the international context of escalating problems related to water scarcity, World Water Day, celebrated every year on March 22, takes on special significance. This year's observance, under the theme "Leveraging Water for Peace," draws attention to the increasingly pressing issue of droughts affecting vast areas of the globe, including Catalonia in Spain, where drought has reached unprecedented levels in the last century.

As the world grapples with the effects of climate change, extreme weather events like heatwaves are becoming increasingly common. Their impact on human health, particularly on the immune system, is becoming the subject of significant scientific research. The latest discoveries by scientists from the University of Louisville provide valuable insights into how extreme heat affects our body's defense mechanisms, which could have far-reaching consequences for public health and health policy.