Addictive disorders are caused by multiple factors, as well as genetic vulnerability, environmental stressors, social pressures, individual temperament characteristics and medical specialty issues. From a medicine posture, addictive disorders arise once a substance changes the means the users brain feels pleasure. Addictive substances alter the brains ability to send and receive chemicals known as neurotransmitters, which cause pleasure. The addictive substances will forestall nerves within the brain known as neurons from receiving these pleasure chemicals that means the substance abuser depends on the drug, instead of his or her natural brain chemicals, for feelings of delight. Most of the data on the market relating to substance use and abuse comes from finding out adult populations. A scarcity of analysis finding out young adult substance use and abuse leaves queries regarding however it differs from drug abuse in alternative age teams unrequited. Some adolescents are additional in danger of developing addictive disorders, as well as adolescents with one or additional of the subsequent conditions present: Children of substance abusers, adolescents WHO are victims of physical, sexual or psychological abuse, adolescents with psychological state issues, particularly depressed and dangerous teens, physically disabled adolescents.