Study links low national average IQs with infectious diseases
Thursday, July 1, 2010 - 06:42
in Health & Medicine
(PhysOrg.com) -- Researchers in the US have noted areas of the world with the lowest average intelligence quotient (IQ) also tend to have the highest rates of infectious diseases, and suggest the energy required to fight off the diseases may hinder brain development in children because both are metabolically costly processes.