Over the past sixty years, we’ve witnessed a phenomenal growth in the number of new psychiatric illnesses.  The American Psychiatric Association’s Diagnostic and Statistical Manual, first published in 1952, originally listed about 100 categories of illness.  By the year 2000, that number had tripled.  We’ve become accustomed to hearing in the news about “learning disabilities,”...Read More

Researchers have discovered a link between the dopamine D4 receptor 7R allele gene (which has been linked to novelty seeking), and a group of adolescent boys with ADHD.  There is an element of semantics in this, because the D4 gene has also been called the “risk-taking” or “thrill-seeking” gene.  In any case, this gene has been associated...Read More