We don’t always have the answers, but we have some people on speed dial who do — which is why we present to you our series FYI where we have experts explain if lip balm is actually bad, how often ...

Hydrate or die, warned Camelbak, the American water-pouch-in-a-backpack company, some years after it was founded in 1989. Water is necessary for survival, but how do we know when we’re getting enough, ...

Parts of India face their first heatwave alert of 2026. Here’s how much water you really need, along with signs of ...