Just one cigarette a day can cause serious heart problems

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Why we now think the myopia epidemic can be slowed – or even reversed

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A personal investigation into the crisis of men's mental health

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The brain has its own microbiome. Here's what it means for your health

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Weight-loss medications may also ease chronic pain

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Satellites spot methane leaks – but ‘super-emitters’ don’t fix them

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Australia wants to ban social media for under-16s, but it won't work

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World’s largest coral is 300 years old and was discovered by accident

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Exquisite bird fossil provides clues to the evolution of avian brains

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Michelangelo's 'The Flood' seems to depict a woman with breast cancer

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Are fermented foods like kimchi really that good for your gut?