Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant activation of multiple body systems—all to facilitate response to an unknown danger, whether real or imagined.| Psychology Today
The Diagnostic and Statistical Manual of Mental Disorders (DSM) is a guidebook widely used by mental health professionals—especially those in the United States—in the diagnosis of many mental health conditions. The DSM is published by the American Psychiatric Association and has been revised multiple times since it was first introduced in 1952.| Psychology Today
Identity encompasses the memories, experiences, relationships, and values that create one’s sense of self. This amalgamation creates a steady sense of who one is over time, even as new facets are developed and incorporated into one's identity.| Psychology Today
Extroversion is a personality trait typically characterized by outgoingness, high energy, and/or talkativeness. In general, the term refers to a state of being where someone “recharges,” or draws energy, from being with other people; the opposite—drawing energy from being alone—is known as introversion.| Psychology Today
Personality disorders are deeply ingrained, rigid ways of thinking and behaving that result in impaired relationships with others and often cause distress for the individual who experiences them. Many mental health professionals formally recognize 10 disorders that fall into three clusters, although there is known to be much overlap between the categories. Cluster A disorders are characterized by odd or eccentric patterns of thinking, such as extreme social detachment, distrust, or unusual be...| Psychology Today
Narcissists have a prominent place in the popular imagination, and the label "narcissist" is widely deployed to refer to people who appear too full of themselves. There's also a growing sense that narcissism is on the rise around the world, especially among young people, although most psychological research does not support that notion.| Psychology Today
Assertiveness is a social skill that relies heavily on effective communication while simultaneously respecting the thoughts and wishes of others. People who are assertive clearly and respectfully communicate their wants, needs, positions, and boundaries to others. There’s no question of where they stand, no matter what the topic.| Psychology Today
Genetics is the study of genes and the variation of characteristics that are influenced by genes—including physical and psychological characteristics. All human traits, from one's height to one's fear of heights, are driven by a complex interplay between the expression of inherited genes and feedback from the environment.| Psychology Today