Are Mental Illnesses Genetic? Causes, Risks & Research Insights Are Mental Illnesses Genetic? Causes, Risks & Research Insights Mental illnesses are complex conditions that affect thoughts, emotions, and behavior. While environmental factors and life experiences play a significant role, many people wonder — are mental illnesses genetic? This guide provides a deep dive into the science behind hereditary risk, environmental triggers, and the latest research in mental health genetics. Understanding Genetics and Mental Health Genetics refers to the study of inherited traits passed from parents to children through DNA. Some mental health disorders appear to run in families, indicating a potential genetic component. Having a family history of a mental illness does not guarantee that an individual will develop the condition; rather, it suggests an increased vulnerability influenced by both genetic and environmental factors. Common Mental Il...
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