Getting tattooed on an area with little fat, many nerve endings, or thin skin is more likely to hurt. Tattooing involves repeatedly piercing your skin’s top layer with a sharp needle covered ...

There is a lot going on underneath its surface. A single inch of your skin has about 1,000 nerve endings, 650 sweat glands, and 20 blood vessels. Melanin, also called pigment, is what gives your ...

Doctors now use creams containing the substance to treat some arthritic conditions and neuralgic pain that comes from oversensitive nerve endings near the skin. Caterina said it's unclear whether ...

It begins when tiny nerve endings detect something irritating in your nose. It could be bacteria, dirt, dust, or other particles that get trapped in the mucus. The nerves transmit a signal to your ...