Psychosis is defined as losing contact with reality and can involve hallucinations or delusions. Delusions are false beliefs that are unshakable, such as believing in one's own superiority. Drugs are substances that change a person's mental or physical state and can be ingested, inhaled, or injected. They are absorbed into the bloodstream and can have long term effects like addiction. Risk factors for teen drug abuse include low self-esteem, mental health conditions, family history of substance abuse, and curiosity. Drugs are made from plants, processed plant products, or synthesized chemically with active ingredients affecting the body and inactive ingredients helping stabilize the drug. Legal drugs have regulated active ingredients unlike illegal drugs.