1.   Are black smokers hot enough to emit light visible to the shrimp?

2.   Researchers found that smokers were more likely to get depressed than non-smokers.

3.   Smokers are furious at what they say is an attack on their personal freedom.

4.   Smokers are measurably more extroverted than non-smokers.

5.   The test should identify which smokers are most prone to develop lung cancer.

6.   Smokers are well aware of the dangers to their own health.

7.   There were eight smokers in the duodenal ulcer group and three in each of the other two groups.

8.   I will not tell you who that secret smoker was.

9.   The latest research shows that smokers are three times as likely to die in middle age than non-smokers.

10.   She claims that smokers are just as responsible as any other parents.