In ancient Greece, the physician Hippocrates is said to have theorized that the ratio of four bodily fluids—blood, yellow bile, black bile, and phlegm—dictated a person’s distinct temperament. The ...

Nina Chamlou is a writer, interviewer and storyteller from Portland, Oregon. She covers technology, healthcare, psychology, mental health and social justice issues. Her motto is that useful info ...

Some people believe personality is fixed, but more recent research suggests that personality may develop over time and that people’s personality traits can change. Personality types group people into ...

Teams are essential to the human experience. From sports to political parties, we are predisposed toward rallying in groups according to common interests. It goes without saying, therefore, that teams ...

Everyone’s personality is different. While pop psychology has tried to categorize personality types, most people relate to more than one. This list of personality types shows the range of personality ...

Psychiatrist Rami Kaminski says he has observed a previously unrecognised personality type – the "otrovert". Here is what he ...

Find out where you fall on the sitcom personality type spectrum—from Curmudgeon to Cupcake—with a series of six questions. You’ll choose one of four options for each question, labeled A, B, C, and D.

My friends won’t stop talking about this personality quiz and now I know why. It’s called “What vegetable are you?” and you can take it online via GitHub. (I used my phone to take it, but it works ...

Share on Pinterest Tailoring exercise programs to individual preferences based on your personality could lead to greater satisfaction and consistency. Luis Alvarez/Getty Images Your personality may ...

If you’re an avid runner, you probably have a good idea of how your training shapes your strides. However, fascinating new research shows that your own traits may also shed light on how you run—and ...

Quiz: Which type of calendar for 2018 best fits your personality? Thinking about or looking for a planner to start off the new year? Take this quiz to find out what type of planner you should use.