Tagged: Dopamine

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How does caffeine keep us awake? – Hanan Qasim

How does caffeine keep us awake? – Hanan Qasim View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven’t had enough sleep — but it can also…

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Why Do Glue Labels Warn Not to Sniff It?

Why Do Glue Labels Warn Not to Sniff It? Abusing inhalants, like glue, can cause serious health problems, and you shouldn’t need a video on the internet to tell you that. But let’s take a deeper look at why these chemicals are so dangerous. Hosted by: Hank Green ———- Support SciShow by becoming a patron…