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.
'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 part of our brain that controls voluntary movements like posture, balance, coordination and speech.
The hypothalamus is a tiny area of your brain that keeps everything — hunger, thirst, sleep, energy, mood — in balance.
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?
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.
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 is a small part of the human brain that most humans have probably never heard of.
A new study found that giving your feet a boost in the bathroom lessened constipation (and straining) significantly.
The groundbreaking innovation could mean major advances in treating people with diabetes and other vascular diseases.
It seems pretty safe to blow the old honker, doesn't it? Well, think again.
A group of scientists are trying to end the misleading claim that excessive sitting is just as bad for you as smoking.
Travelers commonly experience unusual bowel symptoms while traveling. Why is this, and what can we do about it?
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.
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.
Listed as an organ donor on your driver's license? That designation does not include your brain.
Chemical flavorings interact with the solvents in vaping liquids, forming dangerous new compounds. And that's before they're even heated.
HowStuffWorks interviews Dr. Mathew Pombo a Orthopedic Sports Medicine Surgeon at Emory about how 3d printing is used to help people walk
You'll probably be OK if your tongue turns black and hairy, but you should definitely see a medical professional.
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.
Contact lenses fragment into microplastics that slip through water filtering systems and ultimately end up in the oceans.
About 1 in 15 Americans over 40 smell odors that aren't there, according to a new study. And the reason why is still a mystery.
Sudden savant syndrome can make you a math whiz or musical prodigy instantaneously. But how?
Eyebrow trends over the last 100 years
It happens to almost everyone and there are lots of possible explanations.
Blue light-blocking glasses are super popular these days. But do they even work the way marketers promise?
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