What are symptoms of addiction?

The constant desire for the same behavior is the most significant symptom of addiction. If we consider behavioral addiction, constant desire to smoke is a symptom of addiction. Addicted people expand their desire and develop their tolerance level. Therefore, they need to smoke more. They feel that they cannot be without it or live without it.

They show sign of deprivation in the absence. Anxious, getting angry, getting ill-tempered, rapid breathing, sweaty hands are signs of deprivation of drug addiction or smoking addiction.