Since humanity’s earliest days, we’ve been plagued by countless disease-causing pathogens. Invisible and persistent, these microorganisms and the illnesses they incur have killed more humans than anything else in history. But which...

There's a compound found in squid skin that they use to change color and protect their cells, but it could also help us fight some of the most common disease-causing microbes out there.

While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more. Chapters CREATING ANTIBIOTICS 1:07...

Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...

During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning...

Since measles vaccines started making their rounds, child mortality has dropped by up to 90% percent in some countries. That’s more than you’d expect if the measles vaccine just prevented deaths from measles. Can science explain this...

Today, thanks to better early detection, there are 63% fewer deaths from heart disease than there were just a few decades ago. Thomas Insel, the director of the National Institute of Mental Health, wonders: Could we do the same for...

Medicine has made leaps and bounds in treating illnesses in the last century, but are they ever going to get around to curing the common cold? We might be closer than you think.

Howcast - Learn about bipolar disorder, also known as manic-depressive disorder, from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn what schizoid personality disorder is from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn who should take depression medication from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn about paranoid personality disorder from psychiatrist Ankur Saraiya in this Howcast video.

Howcast - Learn about common snake illnesses in this Howcast video about pet snakes.

Howcast - Learn about the health benefits of weight loss surgery in this Howcast video about bariatric surgery to treat obesity.

Howcast - Learn what morbid obesity is in this Howcast video.

Howcast - Learn what the prognosis is for people with schizophrenia from psychiatrist Jeanie Tse in this Howcast video.

Howcast - Learn about the mental illnesses that are often confused with schizophrenia from psychiatrist Jeanie Tse in this Howcast video.

Howcast - Learn how to treat people with illnesses or disabilities from manners expert Faye de Muyshondt in this Howcast video.

Howcast - Despite what you may have heard, children are much safer getting vaccines than getting the diseases they prevent. Make sure your child is fully protected with these guidelines.

Forests are not usually teeming with water bodies. In other words, there are only a handful of lakes, ponds, or other small bodies of water that quench the thirst of a lot of animals that live in nearby wildlife areas. As animals...

What are the major atmospheric pollutants and where do they come from? Discover what air pollution means for the environment and how it affects humans, from smog to acid rain. Earth Science - Human Impacts - Learning Points....

This video traces the history of the Environmental Justice Movement, highlighting pivotal events like the Memphis Sanitation Strike, protests in West Harlem, and the founding of the EPA. Learn about landmark studies revealing the link...

The arrival of Europeans and creation of the 13 colonies led to immense challenges and profound changes for Indigenous peoples.

Psychiatric conditions like bipolar disorder and schizophrenia are diagnosed based on observed or reported symptoms, not through biological tests or brain imaging. This leads to a classification of syndromes rather than specific...