Water is the only substance to expand as it gets colder!

This captivating program uses the example of water to illustrate the three different phases in which it exists as a solid, liquid, or gas. Special attention is given to how particles in liquids and gases act thus causing them to behave...

Live-action video footage illustrates whether the mixing of two or more substances results in new substances. Step-by-step instructions help students set up their own investigation to prove this concept. This video correlates to the Next...

Substance abuse and addiction are terrible for addicts health, and they're really tough on family and friends. Addiction also drives up the violent crime rate, and the rate of property crime. This week on Healthcare Triage, Aaron Carroll...

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...

Health and Nutritional Benefits of Hot Peppers

Howcast - Learn if marijuana is a gateway drug in this Howcast video.

Howcast - Learn how marijuana use affects thought processes and memory in this Howcast video.

Howcast - Learn the difference between cannabis and marijuana in this Howcast video.

Howcast - Learn about the stigma and discrimination that medical marijuana patients can experience in this Howcast video.

Howcast - Learn why the federal government is the main opposition to legalizing marijuana in this Howcast video.

Howcast - Learn what the most addictive substance is from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn the definition of addiction and the medical criteria for an addiction diagnosis from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn what addiction is from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn all about substance abuse from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn all about drug abuse from Dr. Paul Hokemeyer in this Howcast video.

Howcast - Learn how fiber reactive dyes work in this Howcast video about tie dyeing.

Howcast - Learn if people with schizophrenia are more likely to be violent from psychiatrist Jeanie Tse in this Howcast video.

Howcast - Learn about the link between schizophrenia and substance abuse from psychiatrist Jeanie Tse and schizophrenic Anthony Newton in this Howcast video.

Howcast - Learn if schizophrenia can be prevented from psychiatrist Jeanie Tse in this Howcast video.

Howcast - Learn how to manage a psychotic break from psychiatrist Jeanie Tse in this Howcast video.

DIY SCI host Steve Spangler demonstrates how you can make slime at home!

Discover the mysterious crystal that can absorb all the oxygen in a room—science or danger?