Psychopathology refers to the study of psychological disorders, their origins, development, and manifestations across individuals and contexts. The causes and risk factors of psychopathology are complex and multifaceted, involving an interaction of biological, psychological, and socio-cultural influences rather than a single determining factor. Modern perspectives emphasize a biopsychosocial model in which genetic vulnerabilities, neurobiological mechanisms, cognitive and emotional processes, environmental stressors, and cultural expectations combine to shape mental health outcomes over time. Understanding these causes and risk factors helps in early identification, prevention, and effective intervention. Biological factors play a significant role in the development of psychological disorders. Genetic predisposition is among the most well-documented contributors, as family and twin studies have demonstrated higher concordance rates for disorders such as schizophrenia, bipolar disorder, depression, and anxiety among genetically related individuals. Genes do not determine outcomes in isolation but increase vulnerability that may be activated by environmental stress. Neurochemical imbalances, including irregularities in neurotransmitters such as serotonin, dopamine, norepinephrine, and gamma-aminobutyric acid, are associated with mood disorders, psychosis, and anxiety-related conditions. Brain structure and function also contribute, as abnormalities in regions like the prefrontal cortex, amygdala, and hippocampus influence emotional regulation, impulse control, and stress response. Hormonal fluctuations, prenatal exposure to toxins, maternal stress, malnutrition, and birth complications further increase risk by affecting neurological development during critical periods. Psychological factors contribute significantly to psychopathology through patterns of thinking, emotional regulation, and personality traits. Cognitive distortions, such as catastrophizing, overgeneralization, and negative self-beliefs, can predispose individuals to depression and anxiety disorders. Learned helplessness and maladaptive coping strategies make it difficult to manage life challenges, increasing vulnerability to mental distress. Early attachment experiences also influence emotional stability; insecure or disorganized attachment in childhood may lead to difficulties in forming healthy relationships and regulating emotions later in life. Personality traits such as high neuroticism, impulsivity, perfectionism, or low self-esteem can heighten sensitivity to stress and increase the likelihood of developing psychological disorders. Trauma and adverse childhood experiences, including abuse, neglect, loss, or