He died between 35 and 45 years old, said Angela Lieverse, a bioarchaeologist at the University of Saskatchewan in Saskatoon. Even only based on supposition, another important question was born: why cancer occurred in toxin-free environments where the humans ate natural foods ? Non-environmental factors, natural carcinogens, must be considered and inhaling smoke could be one of them. Found in a fetal position in a circular pit, the man who was the object of the study had been buried in a small cemetery in the Cis-Baikal region.
