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Human Body
The human body is an amazing structure made up of many fascinating parts and systems. Learn about the human body and how its systems work together.
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Aphantasia: When Your Mind's Eye Is Blank
Although the inability to picture things in your head would seem to be a hinderance, some experts say it's definitely not a creativity killer and actually can have some advantages.
What Does It Mean If Your Blood Oxygen Level Is Low?
A low oxygen level in your blood is a good indicator of a COVID-19 infection, but what exactly does that mean and how do doctors test for it?
What You Should Know About Antibody Testing
We're all hearing the words 'antibody' and 'antibody testing' way more than we ever thought we would in the normal course of a day, so what exactly are we talking about?
Cytokine Storms: When Your Immune System Defends You to Death
Cytokine storm syndrome can turn a normally functioning immune system into an enemy more dangerous than the virus it's trying to dispatch.
Farts Can Be Silent, But Can They Be Deadly, Too?
Maybe you've never even thought about it when you've smelled — or emitted — a particularly odoriferous fart. But can that fart spread disease?
Why Can't You Smell Your Own House?
You almost never notice the way your own place smells. Why is that?
This Is What Happens When You Work at a Desk for 20 Years
'Emma' is the hard-to-ignore embodiment of what years behind a desk could do to your body. She's hunched over, has bad skin and even varicose veins. Don't become Emma.
The Cerebellum Is the Body's Little Brain
The cerebellum is the part of our brain that controls voluntary movements like posture, balance, coordination and speech.
Feeling Hungry? Tired? Moody? Thank Your Hypothalamus
The hypothalamus is a tiny area of your brain that keeps everything — hunger, thirst, sleep, energy, mood — in balance.
Does Oxytocin Make Us Fall in Love?
Sometimes referred to as the "cuddle hormone," oxytocin is released during sex and breastfeeding. But does it make you fall in love with someone or just bond you more with someone you already love?
Without a Hippocampus, Your Long-term Memory Is History
Located in the temporal lobe, this tiny horseshoe-shaped organ plays a massive role in both the storage of long-term memories and the creation of new ones.
5 Ways Homeostasis Keeps Your Body Humming Along
Homeostasis comes from the Greek words for "similar" and "steady" but this state of steadiness is anything but boring. In fact, it's what you want your body to be.
The Amygdala: Gatekeeper of Human Fear
The amygdala is a small part of the human brain that most humans have probably never heard of.
Toilet Stools, Like Squatty Potty, Really Get Things Moving, Study Says
A new study found that giving your feet a boost in the bathroom lessened constipation (and straining) significantly.
Scientists Grow Human Blood Vessels in Lab
The groundbreaking innovation could mean major advances in treating people with diabetes and other vascular diseases.
5 Reasons to Blow Your Nose Gently
It seems pretty safe to blow the old honker, doesn't it? Well, think again.
Sitting Is Not the New Smoking. Not By a Long Shot
A group of scientists are trying to end the misleading claim that excessive sitting is just as bad for you as smoking.
Don't Let Travel Impact Your Pooping Routine
Travelers commonly experience unusual bowel symptoms while traveling. Why is this, and what can we do about it?
Why Won't My Eye Stop Twitching?
The eye twitching that's driving you crazy — it's likely caused by nothing more than stress or fatigue. But you may need to see a doctor if you have other symptoms, too.
Taking Out Your Appendix May Lessen Your Risk of Parkinson's
A large study found that people who had had their appendix removed early in life were significantly less likely to develop Parkinson's disease later on.
5 Things You Didn’t Know About Donating Your Brain to Science
Listed as an organ donor on your driver's license? That designation does not include your brain.
Are Flavored Vaping Liquids Safe?
Chemical flavorings interact with the solvents in vaping liquids, forming dangerous new compounds. And that's before they're even heated.
HowStuffWorks: 3d printing: 3d printing update
HowStuffWorks interviews Dr. Mathew Pombo a Orthopedic Sports Medicine Surgeon at Emory about how 3d printing is used to help people walk
Black Hairy Tongue: It's Gross, but You'll Live
You'll probably be OK if your tongue turns black and hairy, but you should definitely see a medical professional.
Scientists Discover Protein That Could Help Restore Hearing
For over 40 years, scientists have been searching for the protein that allows us to hear. Its recent discovery might help people regain their hearing.
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