Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.

Not everyone who is infected by a cold virus actually shows symptoms. In fact, people who seem to experience symptoms like a sore throat and stuffy nose more often may actually have more robust immune systems!

Most of us have experienced food poisoning, but with 31 unique species of bacteria, viruses, and parasites as common culprits, it's hard to know exactly what it is.

Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system's responses begin with physical barriers like skin and mucous...

Consider a bat that is infected with several deadly viruses, including ones that cause rabies, SARS, and Ebola. While this diagnosis would be lethal for other mammals, the winged wonder is totally unfazed, and may even spend the next 30...

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

The immune system (or immunity) can be divided into two types - innate and adaptive immunity. This video has an immune system animation. The innate immune system consists of defenses against infection that are activated instantly as a...

An important hormone in the human body, produced by the adrenal glands.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

I'm a Frontline Covid Doctor who treats Covid 19 Pneumonia patients everyday. This real life clinical case is about a young male patient in mid-twenties who had refused to take the covid vaccine. It was painful to see how he...

Bats can be carriers of the coronavirus but they are themselves highly resistant to the disease, according to University of Rochester researchers.

Scientists in the UK have discovered how allergic reactions to cats are triggered. A research team from the University of Cambridge discovered that the Fel d 1 protein found in cat dander is the most common cause of severe allergic...

Clinical Correlation Emphysema [DON'T SMOKE!]

Whipple Disease | Causes, Risk Factors, Pathophysiology, Symptoms, Diagnosis, Treatment



Whipple disease is a very rare systemic infection caused by the gram positive bacteria Tropheryma whipplei. Illness is caused by issues in...

We touched upon the inflammatory response in the Anatomy & Physiology series, but now it's time to go much deeper. What is inflammation on the cellular level? Which cell types are involved with the response, and what are the mechanisms...

The immune system (or immunity) can be divided into two types - innate and adaptive immunity. This video has an immune system animation. The innate immune system consists of defenses against infection that are activated instantly as a...

A team of researchers has found unhealthy bacteria and inflammation in the gums of e-cigarette smokers that could lead to more severe gum diseases.

The Innate immune response is a general response your immune system has against foreign invaders. And there are special cells involved in the process. In this video, we'll cover those cells and the roles they play.

The immune system is a pretty complex system that includes a number of different cell types and organs. Their function is to basically block, destroy or at least neutralize any harmful substances that could enter the body....

This video discusses the causes, risks, and anatomy of pneumonia, a serious lung disease that can lead to up to 50,000 deaths per year. The video explains how the infection spreads to the lungs, the role of the immune system, and the...

By now we've introduced a number of elements of the immune system. Now it's time to start learning how these work together to recognize and eliminate pathogens. Let's start by taking a deep dive into the innate immune response. This...

There are so many critters out there, bacteria and viruses that want to wreak havoc in our bodies. How do we defend ourselves against such tiny threats? The immune system! This is quite possibly the most profoundly remarkable aspect of...