What happens if you take the drug nicotine?

Nicotine can reduce the blood flow to your hands and feet, Increase your heat reate and blood pressure(which leads to increased risk of heart attacks). It is also very addictive and is found in ciggarettes. It is addictive because the drug's shape resembles the shapes of the chemical that is made by the nervous system. As an effect to the fact that the drug is replacing the chemical your body can stop making it. This means that your body needs and wants you to take the drug so that you can get that chemical again. Your body can make the chemical again but could take a long time.