Professional teeth whitening works well but comes with a high price tag. If you want a budget-friendly alternative that doesn't involve a trip to the dentist, you can try at-home whitening strips.

Experts have linked oral health to general health and well-being, meaning your teeth can tell you a lot about the rest of your body. For instance, poor oral hygiene can contribute to problems like ...

Timothy reports on energy and environment policy and is based in Washington, D.C. His coverage ranges from the latest in nuclear power, to environment regulations, to U.S. sanctions and geopolitics.

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