Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis SEATCA Contrary to what the tobacco industry claims, #nicotine is not as harmless as caffeine. #Nicotine has been proven to be as addictive as cocaine and heroin, and can cause increased Secondhand smoke is deadly. Here's how to avoid it. UK Healthcare Secondhand Smoke Social Media Message Library Tobacco Education Clearinghouse of California