Check out TODAY allDAY for why internet star JoJo Siwa says 'thank you' to her online critics and our full 'Six-Minute Marathon' with Shania Twain

Scientific insight and expert advice on behavior, personality traits and why we act how we do.

8 reasons why people cheat

Infidelity is one of the most distressing things you can experience in a romantic relationship. Here's why lovers are motivated to be unfaithful.

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5 simple tips to find joy every day

We’re all hardwired to feel joy in the world around us, but it’s one of those things that over time, we can forget what makes us happy. Here’s how to focus...

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