Fentanyl has become a primary cause of the opioid overdose epidemic in the past decade. But what is it about this drug that's so dangerous? There's more to the story than meets the eye.



If you’re ever in the position...

1 in 5 Americans either has had bed bugs, or knows someone who has. And the problem isn’t going away. It’s actually getting a lot worse.

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...

Today we're going to wrap up our discussion of General Linear Models (or GLMs) by taking a closer looking at two final common models: ANCOVA (Analysis of Covariance) and RMA (Repeated Measures ANOVA). We'll show you how additional...

Scientists know that anesthesia drugs are really good at knocking you out. What they don't know is how.

Laughing gas or nitrous oxide is a chemical compound used in medical settings, especially in surgery and dentistry, for its anesthetic and pain-reducing effects. In this video, we will discuss what laughing gas is, how it was discovered...

In 1865, The Lancet, the medical journal, called upon any person, criminal or not, to prove that waving a chloroform-drenched handkerchief was enough to knock someone out. To date, nobody has stepped forward!



While the right...

MOT 1948: HOSPITAL ANESTHETIST: Male anesthetist at nurse's station w/ chart. DRAMATIZATION: Male anesthetist in hospital room talking w/ 'Mrs. Conrad' SOT telling her not to worry about tomorrow. Male anesthetist walking out of room,...

An excerpt from Alcohol and the Human Body, a 1949 production of Encyclopaedia Britannica Films.