Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...

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.

Generally, humans try to avoid getting stung by insects. However, in the name of science, the betterment of humanity, and pure curiosity, there are brave people out there who willingly subject themselves to the business end...

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.

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!

Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.

The average person experiences dozens of individual itches each day. We've all experienced the annoyance of an inconvenient itch - but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to...

For you, going outside might mean a sunburn if you're out there too long without enough sunscreen, but for some people, any sun exposure can lead to hives and rashes within minutes!

Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...

When you think of allergies, the first thing that comes to mind is probably seasonal allergies, but there are a handful of strange allergies can be much harder to avoid than pollens.

Howcast - Learn how to treat insomnia with over-the-counter sleep aids from sleep specialist Priyanka Yadav, D.O. in this Howcast video.

We have all spent days staring at the computer screen with stiff backs, holding awkward positions without realizing it. Unconsciously, we move our fingers across our backs in motions similar to those of scratching. In no time at all,...

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...

What’s the good feeling you get after intense exercise? It’s not from endorphin release like we originally thought. Instead, it’s from endocannabinoid release, which is your body’s natural cannabinoids. Regular, vigorous exercise...

We have all spent days staring at the computer screen with stiff backs, holding awkward positions without realizing it. Unconsciously, we move our fingers across our backs in motions similar to those of scratching. In no time at all,...

Best and Worst Foods to Eat with Hay Fever (Allergic Rhinitis) | How to Reduce Signs and Symptoms



Hay Fever (Allergic Rhinitis) is a condition involving inflammation of the nasal mucosa when exposed to certain allergens. There...

A recent study reveals that a small category of neurons track itch-evoked scratching behavior in mice.

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...

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.

Get Rid of Your Acne: The Real Cause

Everybody knows what allergies are, but what causes them? What drugs do we have available to address them? As we learned in the immunology series, allergies are symptoms of an immune response to a perceived threat. Histamine is a...

It explains action of different classes of Drugs such as antacids, antihistamines, tranquilizers, analgesics, analgesic, non narcotic, narcotic, antibiotics, antiseptic, disinfectant.

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.