Directions: The sentences given below, when properly sequenced, form a coherent paragraph. Each sentence is labeled 1, 2, 3 and 4. Choose the most logical order of the sentences from among the four given choices to construct a coherent paragraph.

(1) The findings are surprising, investigators say, because bladder cancer, which has long been linked to smoking, is more common among men. (2) When it comes to bladder cancer, two things have always seemed clear: smokers and men are at heightened risk. (3) In a study of more than 3,000 adults, with and without bladder cancer, researchers found that when smoking habits are comparable, women had a higher risk for the disease than men did. (4) But new research shows that, cigarette for cigarette, female smokers are more likely than males to get the disease.