Well, I'm doomed: Extroverted optimists live longest. 

Who lives the longest? 1. Introverts versus extroverts Outgoing, sociable people have the strongest immune systems, a recent study finds. Those who are the most careful, though, are more likely to have a weaker immune system response. The research found no evidence, though, that a tendency towards negative emotions was associated with poor health. 2. …

How To Read Personality From Online Profile Pictures

Social media profile pictures can reveal clues about personality, according to new research.  Thousands of Twitter user’s pictures were included in the study, along with an analysis of their personality. Here is how to spot each of the five aspects of personality: 1. Conscientiousness More conscientious people used pictures that were more natural, colourful and …

One Minute Personality Tests – PsyBlog

The Big Five personality framework is well-validated across cultures and popular with researchers, although it's not as well known at the Myers Briggs. The five factors of personality that emerge with some consistency are Extroversion/introversion Neuroticism Agreeableness Conscientiousness Openness to experience Looking over this list, you can see why the Big Five hasn't caught on with …