Cannabis drinks: How do they compare to alcohol?

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  More than half of Americans live in states where recreational cannabis is legal. While alcohol remains the most-used drug in the US, daily cannabis use has actually outpaced daily drinking, according to a study…

Are you getting health care you don’t need?

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Ever wonder if every medical test or treatment you've taken was truly necessary? Or are you inclined to get every bit of health care you can? Maybe you feel good about getting the most out…

Do tattoos cause lymphoma?

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Not so long ago, a friend texted me from a coffee shop. He said, "I can't believe it. I'm the only one here without a tattoo!" That might not seem surprising: a quick glance around…

Shining light on night blindness

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Animals renowned for their outstanding night vision include owls, cats, tarsiers (a tiny primate in Southeast Asia) — and even the dung beetle. But humans? Not so much. Over time, many people suffer from night…