2.03 Tobacco and E-cigarettes

Try It

1. What is the addictive substance in tobacco? (Fill in the blank)

   Answer: nicotine

2. The leading cause of preventable disability and death in the United States is ________ (Fill in the blank).

   Answer: smoking

3. The leading cause of cancer deaths is ________ (Fill in the blank).

   Answer: lung cancer

4. The main cause of emphysema, chronic bronchitis, and COPD is ________ (Fill in the blank) .

   Answer: smoking