Final answer:
Nicotine is the highly addictive drug found in most devices, primarily in tobacco products.
Explanation:
Nicotine is the main psychoactive ingredient found in tobacco products. It is highly addictive and can be administered through various routes like inhalation, transbuccal, or transdermal. Nicotine is a major cause of preventable deaths and is as addictive as cocaine or heroin.
Learn more about Nicotine addiction here:
https://brainly.com/question/2122864
