Addiction is the obsessive reliance on a specific material or substance. It is caused by the excessive release of dopamine in the body due to the prolonged usage of a certain product. It can be intoxicants like alcohol or narcotics. While it feels normal at the beginning, the real problem starts when the person is unable to function normally without the substance. When it is impossible for the human being to do the day to day activities without the usage of the intoxicant it causes real world problems. In such cases, it is important to get the help from a de addiction hospital in Chennai.