How does nicotine become an addiction?
Answer: Commonly found in tea leaves, cigarettes, khini, biri or tobacco is nicotine, which is easily addictive. Consuming nicotine causes it to secrete dopamine salt chemicals in the human brain which may cause a bad addiction. And, yes we can say that dopamine stimulates human brain to consume tea, cigarette, khaini, biri, tobacco, pan or gutka on frequent intervals. Now, these items’s consumption is not restricted to single consumption in a day only. These are consumed twice or thrice in a single day so the human brain easily accept and allow.