Ever wonder why sore throats hurt so badly? And why do they occur in the first place?
Have you ever been staring into space, or gazing up at a clear, blue sky and suddenly noticed clusters of tiny dots and swirls?
The body must produce the liquid part of blood, called plasma, and the cells that float in it.
You've heard a lot of talk about herpes simplex... now it's time to get the facts.
Can you really survive without an appendix?
Should my tonsils be removed? Why would this be done?
Ironically, the general covering of our bodies in hair — what we call “fur” on other animals — is at the root of our problem with acne.
“Bloodshot” is precisely the right term to describe what happens when something irritates the eyes.
We all know we need iron to live. How else would our blood carry oxygen to our lungs? And cells need iron in order to multiply. The problem is that our cells aren’t the only ones who need iron in order to thrive. Cancer cells and microorganisms like E. Coli and staph need iron too.
The top layer of skin, called the epidermis, is very thin–only 1/10 of a millimeter at most. This is where cells constantly divide from the base layer and move up to the surface to be sloughed off.