How a wound heals itself
Adults HealthOur skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the epidermis and into the dermis to investigate this regenerative response.
How do pain relievers work?
Adults HealthSome people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines we've invented to block or circumvent that discomfort.
How does your brain respond to pain?
Adults HealthEveryone experiences pain -- but why do some people react to the same painful stimulus in different ways? And what exactly is pain, anyway? Karen D. Davis walks you through your brain on pain, illuminating why the "pain experience" differs from person to person.
Universidad Estatal de Sonora in Mexico Ice Bucket challenge
Adults HealthUniversidad Estatal de Sonora in Mexico�accepted the ALS Ice Bucket challenge from Centro de Education Bilingue Due to the water crisis in the state of Sonora UES has elected to use recycled paper and donate clean drinking water to people in need.
Another Reason Why Dogs Are Amazing: They Can Detect Cancer.
Adults HealthHaving a dog for a pet is a great way to find love, loyalty, friendship and fun; but canines are now using their keen senses for something remarkable. New studies have shown that through intense observation and an astute sense of smell (which is is about 100,000 times more powerful than that of a human), our canine friends are able to alert us when cancerous cells are present. In many instances dogs have pointed their noses on the precise locations of unidentified tumors. Read the Article
The mystery of motion sickness
Adults HealthAlthough one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem that's still without a cure. And if you think it's bad on a long family car ride, imagine being a motion sick astronaut! Rose Eveleth explains what's happening in our bodies when we get the car sick blues.
How sugar affects the brain
Adults HealthWhen you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.