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Tuberculosis is often thought of as an old-timey disease, but in reality, it continues to kill over a million and a half people per year, ...

In this episode of Crash Course, Hank introduces you to the complex history and terminology of Anatomy & Physiology. Pssst... we ...

I'm sure you've heard of Pavlov's Bell, but what was Ivan Pavlov up to, exactly? And how are our brains trained? And what is a ...

So, it turns out we have an easy time reading emotions in facial expressions, but emotions can straight up kill us! In this episode of ...

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system.

In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ...

Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are ...

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works.

What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash ...

Hank describes the structure and function of your lymphatic system and how it supports your cardiovascular and immune systems.

BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what ...

So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it ...

Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy ...

Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it.

In this episode of Crash Course Psychology, Hank talks about OCD and anxiety disorders in the hope we'll understand what ...

Why do we sleep? Well... that's a tricky question. More easily answered is the question, "How do we sleep?" In this episode of ...

In this episode of Crash Course Psychology, Hank takes a look at how the treatment for psychological disorders has changed over ...

Crash Course Anatomy & Physiology continues the journey through sensory systems with a look at how your sense of hearing ...