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May. 30, 2012
With 20 square feet (2 square meters) of surface area covering the average human body, it's no surprise that skin can get itchy. And when hair, dust or other irritants make contact, there's a lot that has to happen before we respond with an almost reflexive scratch. Take our quiz to find out what goes on under the skin when it itches.
Sep. 13, 2010
Sweat is your body's way of cooling itself. Learn about eccrine and aprocrine sweat glands, how the body makes sweat, why we sweat and what factors affect sweating.
Jul. 6, 2010
What happens to dead skin cells when they fall off your body? Are you sure you want to know? If you're sure you want the answer to this question, get ready for some staggering numbers.
Jul. 6, 2010
Adolescence seems like the worst surprise ever -- where did all of this hair and these bumps come from? And why do I smell terrible? Don't despair -- we've laid out five ways skin changes during those years so you'll know what you're dealing with.
Jun. 16, 2010
Your skin is your body's largest organ and protects you from the elements, but how does it protect itself from toxins? Believe it or not, you actually do most of the work.
Jun. 9, 2010
Aging skin is a fact of life. At some point in each of our lives, our smooth and supple exteriors become dry, wrinkled and saggy. And although much of aging is biologically inevitable, there are some things you can do to protect yourself from the ravages of time.
Dec. 21, 2009
If senior superlatives were given to human organs, the heart would win "hardest working," while the lungs would garner "most athletic." But what would the skin be noted for? Our guess is "most underappreciated" -- not to mention "best dressed."
Nov. 16, 2009
Sweating is yet another sometimes embarrassing -- but totally unavoidable -- fact of life. Find out how sweat is made and unusual facts about sweat with this quiz.
Nov. 11, 2009
The skin is the largest organ in the body, so there's obviously a lot to say about it. We could write 100 "Ultimate Skin" quizzes and still not scratch the surface, so consider this quiz just the tip of the iceberg.
Nov. 4, 2009
If skin grafts seem painful to you, that's because they are. Skin grafts are patches on skin that are attached or sewn to open wounds to help them heal. They may be excruciating, but they save lives.