SciShow
Why Do Bug Bites Itch?
Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.
SciShow
Antihistamines for Everything?
When you think of antihistamines, you're probably only thinking about getting rid of a runny nose, but we're learning that antihistamines can be used for nausea, insomnia, and even depression!
Curated Video
Bee Stings
When and why do bees sting? And what happens in the human body when they do? Why are bee stings only a nuisance to some people, but life threatening to others? Biology - Cells And DNA - Learning Points. Bees sting people to protect...
Professor Dave Explains
Mast Cells: Strategic Granulocytes
We've covered macrophages, dendritic cells, and neutrophils, so let's move on the mast cells. These are examples of granulocytes, and they are involved in a variety of immune responses. Let's get a closer look now!
Healthcare Triage
Should You Worry About Covid Vaccine Side Effects?
As the vaccine to protect against Covid-19 continues to roll out to more and more people, interest in side effects is high. This can lead to lots of media coverage when people experience side effects, particularly when serious side...
AllTime 10s
10 Deadly Animals Lurking In Your Backyard
We all know a lion or tiger will mess you up. But you probably imagined you were safe in your backyard. Think again: from swarms of bees to hidden snakes, here are 10 Deadly Animals Lurking in your Backyard.
Catalyst University
Eicosanoid Biosynthesis [Part 2] | Leukotrienes
Eicosanoid Biosynthesis [Part 2] | Leukotrienes
JJ Medicine
Histamine Synthesis and Metabolism Pathway
Lesson on Histamine Synthesis and Metabolism from the amino acid Histidine. Histamine is a biogenic amine that acts as a local signaling molecule and a neurotransmitter in the central nervous system. Histamine is produced from the...
Curated Video
The Cells of Innate Immunity (and Mechanism)
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.
Curated Video
Understanding Allergies: Causes and Reactions
Understand what allergies are and their causes such as foods, latex, pollen, and genetic factors. Learn why early detection are so important to allergy management and how antihistamines and adrenaline may be used in severe cases.
Curated Video
Newsy's Latest Health News
Half a million Americans enrolled during an ACA special signup period. NIH begins a study assessing allergies and two major COVID vaccines.
Curated Video
Newsy's Latest Health News
California will resume using a specific batch of Moderna's COVID vaccine. Select chocolate bars from Lake Champlain Chocolates are recalled.
Curated Video
Calif. Health Official Recommends Investigating Moderna Vaccine Batch
Dr. Erica Pan says a batch of the Moderna coronavirus vaccine has caused higher numbers of allergic reactions than usual.