Otzi Tattoo

Researchers in Italy announced in January 2015, that they had discovered an unusual, but new tattoo on the ribcage of the 5,300 year old mummy known as "Otzi" the Iceman. The total amount of tattoos on Otzi's body is 61. However, Dr. Albert Zink and one of his colleagues told the Huffington Post in an email, "We didn't expect to find a tattoo on the thoracic, as all the other tattoos are mainly close to joints and on his lower back and legs." Researchers originally thought that "Otzi's tattoos correspond to classic acupuncture points," and were used as treatment for joint pain. However, the new tattoo makes their theory questionable, since it isn't located near a joint. They now think it was used as a treatment for chest pain.
Since then, researchers have conducted tons of studies on the remarkably well-preserved mummy. In addition, to finding scores of tattoos, they've predicted that "Otzi" was about 45 years old when he died and that he suffered from lyme disease, tooth decay, heart disease, and joint