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HIV is a retrovirus that causes AIDS. But where did it come from, and how did it spread?

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The next time you hear someone say, “Sticks and stones can break my bones, but words will never hurt me,” tell them to think again! Studies suggest that non-physical forms of bullying are just as painful as physical forms.

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Cancer is an ancient disease that has affected humans for millennia. But it’s only in the past century or so that cancer has become common in Canada and the rest of the Western world.

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The theory of evolution by natural selection can help explain why religion has been practised throughout human history.

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If junk food is so bad for you, why does it taste so good? It’s partly because humans have evolved to crave foods high in sugar, salt and fat. But it’s also because junk food is engineered to exploit these cravings.

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If certain noises completely drive you mad, you just might have a rare neurological condition called misophonia.

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Ice is a beautiful thing, especially when you're playing hockey on it!

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The Zika virus is spread by mosquitoes. It has also been linked to birth defects, especially microcephaly. But how do you get from a mosquito bite to microcephaly?

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Peeing might seem like an ordinary act. But the way your body produces urine and what your urine says about your health are pretty extraordinary!

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You may already know that too much alcohol can eventually destroy your liver. But alcohol can also affect another important organ: the pancreas.

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