CHEMICAL REACTION: COUNT TO 10

After smoke is inhaled, it only takes 10 seconds for nicotine, an addictive chemical found in tobacco, to reach the brain.²¹ Cigarettes, vapes and smokeless tobacco both contain nicotine.²¹ Over time, the nicotine in tobacco can change the way your brain works.²¹ Nicotine can also narrow a person's blood vessels, making it tougher for the heart to work.²⁰