Bipolar disorder, also known as manic depression, is a chronically recurring condition involving moods that swing between the highs of mania and the lows of depression. Depression is by far the most pervasive feature of the illness. The manic phase usually involves a mix of irritability, anger, and depression, with or without euphoria. When euphoria is present, it may manifest as unusual energy and overconfidence, playing out in bouts of overspending or promiscuity, among other behaviors.| Psychology Today
Adolescence is the transitional stage from childhood to adulthood that occurs between ages 13 and 19. The physical and psychological changes that take place in adolescence often start earlier, during the preteen or "tween" years: between ages 9 and 12.| Psychology Today
Anger is one of the basic human emotions, as elemental as happiness, sadness, anxiety, or disgust. These emotions are tied to basic survival and were honed over the course of human history. Anger is related to the “fight, flight, or freeze” response of the sympathetic nervous system; it prepares humans to fight. But fighting doesn't necessarily mean throwing punches. It might motivate communities to combat injustice by changing laws or enforcing new norms.| Psychology Today
Guilt is aversive and—like shame, embarrassment, or pride—has been described as a self-conscious emotion, involving reflection on oneself. People may feel guilt for a variety of reasons, including acts they have committed (or think that they committed), a failure to do something they should have done, or thoughts that they think are morally wrong.| Psychology Today
The word “trauma” literally means wound, shock, or injury. Psychological trauma is a person’s experience of emotional distress resulting from an event that overwhelms the capacity to emotionally digest it. The precipitating event may be a one-time occurrence or a series of occurrences perceived as seriously harmful or life-threatening to oneself or loved ones.| Psychology Today
"The grey drizzle of horror," author William Styron memorably called depression. The mood disorder may descend seemingly out of the blue, or it may come on the heels of a defeat or personal loss, producing persistent feelings of sadness, worthlessness, hopelessness, helplessness, pessimism, or guilt.| Psychology Today
Stress generally refers to two things: the psychological perception of pressure, on the one hand, and the body's response to it, on the other, which involves multiple systems, from metabolism to muscles to memory. Some stress is necessary for all living systems; it is the means by which they encounter and respond to the challenges and uncertainties of existence. The perception of danger sets off an automatic response system, known as the fight-or-flight response, that, activated through hormo...| Psychology Today