It is possible that, like all things good and bad, an overabundance of cleverness can produce negative outcomes in a person's day to day life, philosopher and writer Julian Baggini argues.
Was lead a driver of the late 20th century surge in violent crime, drops in IQ, cognitive deficits and incidences of ADHD? Mounting evidence at the national, state, city and individual levels -- and across the world -- strongly suggest it was.
People who were diagnosed with cannabis dependence during their teenage and early adult years exhibited declines in IQ scores by their late 30s, according to researchers at Duke University.
A perversion of American literature helped the state of Texas make 54-year-old Marvin Wilson the second mentally disabled prisoner to be executed within its borders in three weeks.