Question: Which condition is a risk to unborn babies whose mothers smoke?

Answer: decreased oxygen

Question: Which disease is in the respiratory system, often caused by smoking?

Answer: emphysema

Question: What is the drug classification of nicotine?

Answer: stimulant and depressant

Question: How many chemicals in cigarettes are known or suspected to cause cancer?

Answer: more than 50

Question: How many years earlier, on average, do smokers die than nonsmokers?

Answer: 10 t0 14