Researchers at the University of Vienna, Austria, analyzed a 13-year longitudinal study to determine why those with a high IQ are consistently found to be in good health. After analyzing the cognitive, physical, environmental, and behavioral data collected from approximately 10,000 participants, there is no clear behavioral or environmental reasons for the correlation. Instead, the results indicate that a third factor may be at work influencing both intelligence and health. The study was published in the journal Intelligence. Research consistently finds a positive correlation between health an…