Rayan Najjar

Bitesize Immunology

Science EN ↓ 7 episodes

Immunology has a reputation of being hard to understand. I use stories and analogies to illustrate how the immune system works.

Author

Rayan Najjar

Category

Science

Podcast website

najjar.blog

Latest episode

May 10, 2025

Where to listen?

Podcasts in the app Replaio Radio Coming soon

Podcasts are coming to the app soon. Install now and be the first to see a whole new take on podcasts

Get it on Google Play Install for free Android almost 10M downloads · 4.8 rating iOS soon

Episodes

What is inflammation? 10.05.2025

We live in peak popularity of the term inflammation, so what exactly is it? - Inflammation is good for you - Did you know fever is not caused by pathogens, rather it is your immune system making you feel miserable, why does it do that? - what are the types of inflammation? Transcript at najjar.blog

What are T cells? 01.12.2024

T cells and their types: bounty hunter, personal trainer, plumber with anxiety, lobbyist, oracle, and the patron saint of antigens For illustrations of T cells as I imagine them on this podcast, follow me on bluesky bsky.app/profile/rna-guy.bsky.social Transcript at najjar.blog Can you guess why the plumber T cells have anxiety?

What are neutrophils? 04.07.2024

Neutrophils are the first responders of the immune system. I describe what they are and their name origin. Then I discuss neutrophil features in 5 parts including how they sometimes explode kamikaze style! - Part I: First responders - Part II: Bleach spray - Part III: Kamikaze - Part IV: Healers - Part V: Understudied

How does the immune system have existing blueprints targeting viruses it has never seen before? 19.05.2024

Lymphocytes have surface receptors that recognize antigens. These receptors have existing templates that are complementary to the 3D structures of antigens from viruses and other pathogens, even before you encounter these pathogens. How is this possible? In this episode, I answer the question above, plus I talk about the following: - Lymphocyte types including B cells and T cells - The self vs non...

What are antibodies? And what are their functions? 27.04.2024

What would it feel like if you were attacked by antibodies? Antibodies are custom made weapons produced by the immune system to target pathogens. In this episode, I make an analogy of how antibodies attack, and tell stories of a fox hunting rabbits, a castle under attack, and two types of leaves. These stories illustrate the functions of antibodies. Disclaimer: I am a physician scientist at the Un...

Dendritic cells: How does the immune system know when there is an infection? 07.04.2024

The immune system needs to find out if there's a microbe such as a virus that's replicating and causing an infection, plus the immune system wants to collect information about the virus in order to target it with custom-made weapons. I use multiple analogies to explain what dendritic cells do in 4 chapters: - Chapter 1 Surveillance. Dendritic cells are like radar workers, constantly lookin...

Introduction 07.04.2024

I am a physician scientist in rheumatology, which is a field of medicine that specializes in autoimmune diseases. Immunology has a reputation of being complex and hard to understand.  I hope this podcast will help people in biology and medical fields to better understand the immune system. I also hope any one with an interest in biology can learn and find inspiration in this podcast. I will try to...

Listen to the Bitesize Immunology podcast in Replaio

Radio and podcasts in one app - free, with no sign-up. Install today and do not miss the launch

Get it on Google Play

Replaio is not a podcast publisher; show names, artwork and audio belong to their authors and are distributed through public RSS feeds.