"Scientists are continually unearthing new facts about Homo sapiens from the mummified remains of Otzi, the Copper...

"Scientists are continually unearthing new facts about Homo sapiens from the mummified remains of Otzi, the Copper Age man, who was discovered in a glacier in 1991. Researchers have now succeeded in demonstrating the presence of Helicobacter pylori in Otzi's stomach contents, a bacterium found in half of all humans today".
http://www.sciencedaily.com/releases/2016/01/160107151723.htm