Which means, that those trendy water bottles are more than just a cute accessory, and instead are a necessity. But tumblers ...

If water sits in your bottle for days, it can create a breeding ground for mold spores from the air and pipes in your house to settle and multiply, Dr. Phipatanakul said.

How Hydro Flask water bottles became a hot fashion accessory is a story mixing environmentalism, self-care and the simple desire to keep drinks cold.

Stanley’s big, brightly colored reusable water bottles have amassed a dedicated fanbase on TikTok, where unboxings, product reviews and videos of customers storming the shelves to purchase the ...