We all feel tired sometimes. But narcolepsy is a condition that makes staying awake quite a bit harder.

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If you combine alcohol with energy drinks, you might end up with a long-term problem: addiction. In fact, energy drink cocktails can affect the teenage brain similarly to cocaine.

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Dr. Arun Tiwari, one of our DNA day experts, answers the question, “Can medicinal marijuana be personalized to suit individuals?”

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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 summer olympics begin today in Rio de Janeiro, Brazil, but these athletes can't succeed without science! We've compiled ten resources on the science behind sports so you can find out how the top athletes win gold.

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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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Athletes who use banned drugs get a unfair advantage. But how do officials know which athletes are cheating and which ones are “clean”? With chemistry, of course!

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When under anesthesia, you can’t move, form memories, or — hopefully — feel pain. And while it might just seem like you are asleep for that time, you actually aren’t. What’s going on? Steven Zheng explains what we know about the science behind the different types of anesthesia and how they exert their effects. (4:55 min.)

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CurioCity resources which align with Ontario's Grade 12 Biology University Strand E: Homeostasis

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Are e-cigs really safer than regular cigarettes? Discovery News looks into the answer.

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Are electronic cigarettes bad for you? Risk Bites takes a look at the pros and cons, and ends with a bit of a twist.

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CurioCity resources which align with Manitoba's Biology 11 curriculum unit: Transportation and Respiration

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