How do heat health alerts work? Health Previous Article When developing countries band together, lifesaving drugs become cheaper and easier to buy − with trade-offs Next Article Why are pollen levels making hay fever so bad this year? The weather alert service warns the public when high or low temperatures could damage their health....Read more https://www.bbc.com/news/articles/cd97dkx9g38o Previous Article When developing countries band together, lifesaving drugs become cheaper and easier to buy − with trade-offs Next Article Why are pollen levels making hay fever so bad this year?