How Did Tattoos Originate? 

Believe it or not, some scientists say that certain marks on the skin of the Iceman, a mummified human body dating from about 3300 B.C., are tattoos. If that's true, these markings represent the earliest known evidence of the practice. More widely recognized are tattoos found on Egyptian and Nubian mummies dating from about 2000 B.C. Classical authors mention the use of tattoos in connection with Greeks, ancient Germans, Gauls, Thracians and ancient Britons. But with the growth of Christianity, tattooing was forbidden in Europe. The practice continued in the Middle East and other parts of the world. (Interestingly, tattoos seemed to be missing among populations with the darkest skin colour and in most of China until more recent centuries.)

What is a tattoo? 

Tattoos are created when colour is injected into small holes made in the dermis, a deep layer of the skin. Today most tattoos are applied with an electric tattoo machine, which has needles that rapidly puncture the skin with an up-and-down motion.

Following things to consider:

Regard tattoos as permanent. Whatever picture or design you decide on, you'll probably have to live with it for the rest of your life. Removing tattoos is painful and expensive. What's more, tattoos don't always come off. Attempts to remove them may result in scarring, skin thickening, discoloration, or other problems. Be sure you're not allergic to any tattoo inks or dyes. If you are, your body could react adversely to them.

You cannot donate blood for a year after getting a tattoo.

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