Hank delves into the details about that very popular substance: caffeine.

In the 1980s and 90s, pharmaceutical companies began to market opioid painkillers aggressively, while actively downplaying their addictive potential. The number of prescriptions skyrocketed, and so did cases of addiction, beginning a...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What really causes addiction -- to everything from cocaine to smart-phones? And how can we overcome it? Johann Hari...

SciShow News explores new research in the world of food, including insights into what causes food addiction, and how a certain flavor might be good for your health.

Cocaine addiction is difficult to treat, but with the help of gene therapy, scientists are hoping to change that

Every so often, a headline pops up comparing cheese to cocaine. The reality of the situation is far more complex—and a lot less dire—than these articles might suggest.

What are our screens and devices doing to us? Psychologist Adam Alter studies how much time screens steal from us and how they're getting away with it. He shares why all those hours you spend staring at your smartphone, tablet or...

Sometimes we learn the coolest stuff by being wrong! This week, we learned we were wrong about birds always laying eggs and mice being addicted to cocaine!

It's Okay to Be Smart: Is Sugar A Drug?

Hank describes how our brains respond biochemically to various addictive substances and behaviors and where those responses have come from, evolutionarily speaking.

I normally drink about ten cups of coffee per day but today I decided to cut back and haven't had any caffeine but now my head hurts and I don't know why do YOU know why!?

An excessive amount of alcohol can cause lots of problems, but lots of people drink fairly regularly without any of these problems. So, how do you know when you drink too much?

Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as alcohol, ethanol is the active ingredient in alcoholic beverages. So how exactly does it cause drunkenness,...

Interpersonal relationships are important to humans, but there are also times when these relationships can be unhealthy.

So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash Course Psychology, Hank lays out...

Thanks, in part, to the generous support of the NIHCM, this month we are releasing four special episodes on Opioids. We hope you enjoy them. This week's episode:

The opioid epidemic is certainly terrible. Even as we're plumbing the depths of it, we should remember that there are other terrible drugs out there killing people and making lives worse. Cocaine is a big problem as well, and it kills a...

Three years ago, and without notice, data about patients with substance use disorders began to disappear from Medicare and Medicaid files widely used in health services research. Because researchers had been afforded access to those data...

Do No Harm - The Opioid Epidemic - Dr. Georges C. Benjamin Promo

To NBA fans, Chris Herren looked like he had it all. Money, fame and a gorgeous family, however, his life away from the bright lights of the NBA court was ridden with addiction to drugs and alcohol. In his efforts to prevent others...

Adam Keller's story with HooplaHa began when he set out to propose to his boyfriend Jared Marinelli, in secret, flash-mob fashion. This video digs deep into his troubled past - one that where he hurt many people he loved and even...

In the words of Poet Henry Wadsworth Longfellow, "Music is the universal language of all mankind." For Tenor Saxophonist Dusty Rhodes, this is the anthem that he lives by.



Prior to embracing the magic of music, Dusty was at...

Post Traumatic Stress Disorder, or PTSD, can be extremely difficult for anyone who has dealt with a serious trauma; more specifically for veterans. Project Welcome Home Troops began in 2006 when several trauma relief trainers from the...

There are angels all around us, like Alicia Reddy. This selfless woman, also known as Addiction Angel, wants nothing more than to help those struggling with the disease of addiction. She is a RN and a drug interventionist....