The researchers» analysis included finding above - normal levels of several potentially
dangerous compounds present in natural gas, including benzene, toluene, and xylenes.
If we disqualified all of the dogs with the slightest elbow issue, we would lose 31 % of the breeding population in every generation,
compounding a genepool problem that is historically
present in purebred dogs, and far more
dangerous to the dogs than any heritable disease.