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In our third episode, we explore the mystery of a circadian rhythm, and how it drives your health.

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Insomnia Specialist Dr. Gregg Jacobs discusses the dangers of taking Ambien.

Not all olive oils are created equal! Vicky Vlachonis, author of "The Body Doesn't Lie" tells us how we can find the perfect olive oil that packs on the health benefits.

Here are 7 super healthy foods that we think will burst into the culinary scene this year. These foods are packed with some serious helth benefits.

Poop pills (yes, pills made of human feces) might the key to losing weight, say some researchers.

M.I.T. professor and author of "Reclaiming Conversation" Sherry Turkle argues that we must move away from using the metaphor of addiction when talking about our phones.

The HuffPost Originals series "Next Level Living" premieres with an episode on the science of sleep. Experts explain why we need sleep and what exactly happens to our bodies when we don't get enough.
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We all know about the vivid adventures experienced while dreaming, but why is it all happening? Watch the fourth episode of Next Level Living to find out to tap into your brain's "imagination network."

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Camelia-Lucia Cimpianu is trying to decide between a career as a researcher or a practising doctor. In this film, she seeks advice from Nobel Laureate Ferid Murad who faced the same dilemma as a medical student in the 1960s. Murad chose the bench, and he subsequently discovered that a gas called nitric oxide (NO) acts as a signalling molecule in the cardiovascular system. It turns out that NO plays a role in many diseases — and possibly in the head trauma cases that Camelia studies.