There is high incidence of autism and Neanderthal anthropometry in the matrilineal and Dravidian language speaking nair community of Kerala. The autistic brain is comparable to the large-sized Neanderthal brain. Autistic metabolonomic patterns include low pyruvate dehydrogenase activity, mitochondrial dysfunction, GABA shunt, Warburg glycolytic phenotype, hyperammonemia, hyperhomocysteinemia, porphyria, low cholesterol/bile acid levels and a similar pattern is seen in the normal nair population of Kerala. Neanderthal metabolonomic patterns include a low efficiency PDH activity. Autistic and...