Mersin

"There is a richness of DNA sequences in the chewed mastic from Huseby-Klev, and in it we find both the bacteria that we know are related to periodontitis, and DNA from plants and animals that they had chewed before," says Dr. Emrah Kırdök, from Mersin University Department of Biotechnology, who coordinated the metagenomic work on the Mesolithic chewing gum.

Mark Dickey, 40, was rescued early on Tuesday after being trapped in the Morca cave in Mersin province's Taurus Mountains.

He was transferred to Mersin City Hospital, where he is receiving treatment.

Dickey will continue his recovery at Mersin City Hospital.

Mark Dickey, 40, appeared relaxed as he spoke to reporters at a hospital in Mersin, southern Turkey, where he is recovering from his ordeal.