Experts can't agree on the definition of the term "concussion," which makes it difficult to diagnose, treat, and research this important brain injury....

Here's a shocking statistic: 50 to 80 percent of people in the criminal justice system in the US have had a traumatic brain injury. In the general public, that number is less than five percent. Neuropsychologist Kim Gorgens shares her...

After decades of research and billions spent in clinical trials, we still have a problem with cancer drug delivery, says biomedical engineer Elizabeth Wayne. Chemotherapy kills cancer -- but it kills the rest of your body, too. Instead...

An estimated 20 million cases of blindness worldwide are caused by cataracts, a curable condition affecting the lens that focuses images onto the eye's retina. But how are cataracts formed, and how can we prevent them? Andrew Bastawrous...

For the longest time, doctors basically ignored the most basic and frustrating part of being sick -- pain. In this lyrical, informative talk, Latif Nasser tells the extraordinary story of wrestler and doctor John J. Bonica, who persuaded...

Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain became disrupted by stroke, illness, or trauma, you could find yourself truly at a loss for words....

Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place?

Former NFL quarterback Alex Smith almost died after a particularly rough tackle snapped his leg in 2018 -- yet he was back on the field just two years later. In this inspiring talk, he shares his hard-won insights on overcoming fear,...

From turf toe to toxic Zamboni's, sports injuries aren't just for pro athletes.

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when...

In 1848, Phineas Gage survived a seemingly unsurvivable injury to his brain, but the tale of that event has become quite colorful, and inaccurate, in many cases. So, what REALLY happened to Phineas Gage?

There are a few animals that will instinctively lick their wounds when injured. SciShow Quick Questions explores the reasons why they do this, and why we sometimes have to stop them from doing it.

Amnesia is a really handy/clich_ literary device and the inciting incident for countless Hanna-Barbera cartoons, but it's also a real, serious affliction caused by major head trauma. Learn how scrambled neurons can permanently alter...

Since your body is already pretty good at healing itself, does icing an injury actually help?

What is a claim? And what is a counterclaim? This video defines the terms and explores how to craft a strong claim and support it with evidence, using the example of whether or not students should be allowed to play tackle football.

What is a claim? And what is a counterclaim? This video defines the terms and explores how to craft a strong claim and support it with evidence, using the example of whether or not students should be allowed to play tackle football.

9/11/2001… Ground Zero… The Pentagon… Washington DC…What started out as one of the best days of Sarah Rudder’s life, earning a promotion from the Marine Corps, soon took a tragic turn when the ground shook from the...

How to Avoid Overuse Injuries in Kids

Clark's Botanicals' beauty products were born out of tragedy when company founder Francesco Clark, who then worked at Harper's Bazaar, suffered a crippling spinal cord injury after diving into the shallow end of a swimming pool...

Howcast - The fingers are the most frequently injured part of the hand. Injuries may range from simple bruises to broken bones and dislocations of joints. Here's how to know if your finger is broken.

Howcast - Learn if self-injury is caused by a mood, personality, or anxiety disorder from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn how to treat a sprain in this first aid video from Howcast with Nurse Mary.

Howcast - Learn how to fit a road bike from racer Alexander Barouh in this Howcast road cycling video.

Howcast - Mild sprains or strains are among the most common sports injuries. In most cases, you can treat these conditions at home using the following guidelines.