Pulling hair, biting nails, picking skin are not simply 'nervous' habits, a new study finds, suggesting they are instead associated with perfectionism, frustration and boredom.
A study examining gender differences across three aspects of narcissism finds that men are, on average, more narcissistic than women - a quality that has unique pros and cons.
According to research, over half of young Irish people will meet the criteria for a mental health disorder at some point before 25 years of age.
An analysis of blood samples from US Marines led to the discovery of genetic markers associated with PTSD that are linked to the innate immune system and interferon signaling.