Anxiety disorders are, by far, the most common psychological disorder. There are 6 major types of anxiety and research has determined that 15-19% of individuals have experienced clinical levels in at least one anxiety category. These types include Generalized Anxiety Disorder (characterized by six months of excessive worry/anxiety, muscle tension, sleep problems, fatigue, and autonomic restrictors such as image avoidance), Social Anxiety Disorder (the most common form with about 13/3% of the population experiencing symptoms at some point. It is marked fear of social/performance situations, such as going to crowded places, peeing in public, etc), Panic Disorder (a condition in which individuals experience multiple uncued or (the attack is uncontrolled by the patient and often unknown when they may have one ) panic attacks and worry about these attacks for over one month), Type I Obsessive Compulsive Disorder (characterized by obsessions that cause anxiety and compulsions used to alleviate it), specific phobias, and post-traumatic stress disorder. Depression disorders are also, by far one of the most common, if not the most common psychological disorders. Depression and Anxiety can also, be a dual diagnosis. Meaning you can have both at the same time.
Depression is the number one issue identified by WHO.
DEPRESSION
It is possible to get a list of psychological disorders from any good psychology textbook which will be in an academic library. There are a large number of them and some are still not fully accepted as disorders by all in the profession.
That would be virtually all eating disorders. The most common are anorexia and bulimia.
It appears that all diseases have psychological components
Distrust of others
A common factor in all personality disorders is enduring patterns of behavior and inner experience that deviate significantly from cultural norms. These patterns typically cause distress or impairment in various areas of functioning, such as relationships, work, or self-identity.
Mood disorders are typically considered to have both psychological and biological components. Biological factors, such as genetics and neurotransmitter imbalances, can contribute to the development of mood disorders. Psychological factors, such as stress, trauma, and coping mechanisms, also play a role in the onset and maintenance of mood disorders.
Yes there are factors that can trigger binge eating disorders such as low self esteem, body dysmorphic syndrome, a habit of compulsive eating, etc which are all rooted as a psychological disorders.
Properly administered and interpreted, a personality assessment has a good chance of revealing some things about all three.
Genetic influence
While it is not always possible to prevent psychological disorders completely, there are some strategies that can help reduce the risk. These include engaging in healthy behaviors such as exercising regularly, getting enough sleep, managing stress effectively, and seeking support from friends, family, or mental health professionals. Early intervention and treatment can also help prevent symptoms from worsening.
The biopsychosocial model of abnormality holds that physical, mental, and cultural factors all play a role in the development of psychological disorders. This model emphasizes the importance of considering a person's biology, psychology, and social environment when understanding and treating mental health issues.