Tracking viruses: The best clues may be in the sewer

It's hard to accurately predict when new viral outbreaks will appear or old viruses will reappear and how to figure this out quickly enough to respond quickly. Wastewater testing, a tool that can help predict upticks in COVID cases, has also captured evidence of infectious diseases like polio, allowing preventive measures to be taken.

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Should you try intermittent fasting for weight loss?

Intermittent fasting is limiting the window of time each day when a person eats. It has become popular as a weight loss tool, so people want to know if it’s effective and whether it can work for them, and a recent study attempted to provide some answers.

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Why are you taking a multivitamin?

One in three Americans takes a daily multivitamin even though research shows this doesn't provide any meaningful health benefits for most people. And because of the way supplements are regulated, some supplements make claims that have no evidence behind them.

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