Cigarette manufacturers know that nicotine is addictive. Cigarettes produced today contain more and more nicotine, and additives and chemicals are used to make them more and more addictive. Why are smokeless tobacco products addictive? Nicotine is a highly addictive drug that works in the brain as it travels through the body. When it comes to dipping and chewing tobacco, these products contain more nicotine. When chewing tobacco, a user puts an average amount in their mouth for 30 minutes, absorbing as much as smoking three cigarettes. Using two cans of snuff a week gives you the same amount of nicotine as someone who smokes half a pack of cigarettes a day. How does nicotine affect the body? Nicotine affects all major systems of the body. Nicotine can lead to weakened immune function, fatigue and cancer. Nicotine prevents the body from eliminating damaged cells which gives cancer cells the opportunity to develop. Nicotine in the brain affects the activity of neurotransmitters, which causes chemical possibilities and additions. Nicotine can also cause neurological symptoms caused by nicotine such as lightheadedness, insomnia, dizziness and