Mental disorders are clinically significant disturbances in cognition, emotional regulation, or behavior, often causing distress or functional impairment in social, work, or family activities. Affecting 1 in 8 people globally,
common types include anxiety disorders, depression, bipolar disorder, schizophrenia, and neurodevelopmental disorders.
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Common Types of Mental Disorders
Anxiety Disorders: Include generalized anxiety disorder, panic disorder, and phobias.
Mood Disorders: Include major depression and bipolar disorder.
Psychotic Disorders: Examples include schizophrenia.
Personality Disorders: Long-term patterns of thoughts and behaviors.
Eating Disorders: Include anorexia nervosa and bulimia nervosa.
Trauma/Stressor-Related Disorders: Post-traumatic stress disorder (PTSD).
Neurodevelopmental Disorders: ADHD, autism spectrum disorder, and intellectual disabilities.
Causes and Risk Factors
Mental health conditions often arise from a combination of factors:
Biological Factors: Chemical imbalances in the brain, genetics, and family history.
Life Experiences: Trauma, abuse, or chronic stress.
Physical Factors: Traumatic brain injury (TBI).
Symptoms of Mental Disorders
Symptoms vary widely but often include:
Persistent sadness or extreme mood highs and lows.
Excessive fear, worry, or guilt.
Withdrawal from social activities and friends.
Significant tiredness, low energy, or sleep problems.
Delusions, paranoia, or hallucinations.
Trouble coping with daily problems or stress.
Changes in eating habits or sex drive.
Diagnosis and Treatment
Diagnoses are based on symptoms, behavioral observations, and, in some cases, laboratory tests to rule out physical causes, according to the Mayo Clinic. Treatments often involve a combination of psychotherapy (talk therapy), medication, and lifestyle changes.
Long-Term Effects
Without treatment, mental disorders can lead to severe functional impairment, such as difficulty maintaining employment, strained relationships, and, in severe cases,, suicide.