Exercise Meaningful in Having Good Mental Health

In this cross-sectional study, we analysed data from 1 237 194 people aged 18 years or older in the USA from the 2011, 2013, and 2015 Centers for Disease Control and Prevention Behavioral Risk Factors Surveillance System survey. We compared the number of days of bad self-reported mental health between individuals who exercised and those who did not, using an exact non-parametric matching procedure to balance the two groups in terms of age, race, gender, marital status, income, education l...

 The Inferiority Complex Fad

But nowhere was the need to appear self-assured more apparent than in a new concept in psychology called the inferiority complex. The IC, as it became known in the popular press, was developed in the 1920s by a Viennese psychologist named Alfred Adler to describe feelings of inadequacy and their consequences. “Do you feel insecure?” inquired the cover of Adler’s best-selling book, Understanding Human Nature. “Are you fainthearted? Are you submissive?” Adler explained that all infant...

 Nature Favors Diversity

Nature has rolled the dice trillions and trillions of times and has learned to pick diversity as the best long-term bet. It would have been far less complicated to go with one species, but nature has consistently been willing to pay a hefty price to keep its options open. You never know what’s coming down the pike and which genetic potential will be most needed to meet the next challenge.