Inside your body, there is a mechanism designed to defend you from millions of bacteria, microbes, viruses, toxins and parasites. Find out the different components and how the human immune system works.
How White Matter Helps the Brain's Gray Matter Function
Bruce Willis Has Aphasia. What Is It and What Causes It?
Can Our Bodies 'Learn' to Withstand Frigid Temperatures?
The True Story of the Blue People of Kentucky
What Is the Rarest Blood Type in the World?
What Does It Mean If Your Blood Oxygen Level Is Low?
The World's Longest Poop Story Is a Crock of, Well ...
When You Have to Go But Don't Want People to Know
Farts Can Be Silent, But Can They Be Deadly, Too?
Does Oxytocin Make Us Fall in Love?
5 Ways Homeostasis Keeps Your Body Humming Along
Is It Possible to Get Taller as an Adult?
Why Do Babies' Eyes Change Color?
There Are 6 Different Eye Shapes. Which One Is Yours?
Self-navigating Cane Could Better Lives for Visually Impaired
Kidney Stones Are Excruciating, But the Source of Pain Is Surprising
Why Do We Do a Little Dance When We Have to Pee?
Do You Turn the Door Key and Have to Pee? It May Be All in Your Brain
The Lymph System
What is lymph?
How One Key Protein May Help Tendons Enhance Athletic Performance
What Are Muscle 'Knots' and How Do You Get Rid of Them?
Take Care of Those Hammies
The Science Behind Why We All Have Snot
The Flu Was Nonexistent During COVID. What Does That Mean?
Why Breathing Through Your Nose Is Best
Does feeling sick after you get the vaccine mean your immune system is responding? What if you don't feel sick? Does that mean it's not?
Cytokine storm syndrome can turn a normally functioning immune system into an enemy more dangerous than the virus it's trying to dispatch.
New research finds that nontoxic, antibacterial sugars found in human breast milk might be key to the next generation of antimicrobial drugs.