Question

Which is the best topic sentence for a paragraph within a paper?

More and more people are quitting smoking because it increases the risk of lung cancer.

The main reasons people are quitting smoking are that it increases the risk of lung cancer, it's offensive to others, and it's very expensive.

One way to save on monthly bills is to quit smoking, and quitting can also help your social life by making you more pleasant to be around.

Smoking is a major health epidemic in the United States because it endangers the physical, emotional, and social well-being of smokers, those with whom they regularly interact, and the general public.

Answer 1

More and more people are quitting smoking because it increases the risk of lung cancer.

When someone decides to quit smoking the risk for lung cancer and many other types of cancer is reduced. You reduce the risk for heart disease, stroke, and peripheral vascular disease (narrowing of the blood vessels outside your heart within 1 to 2 years of quitting.

Answer 2

The "Smoking is a major health epidemic in the United States because it endangers the physical, emotional, and social well-being of smokers, those with whom they regularly interact, and the general public" is the best topic sentence for a paragraph within a paper.

A topic sentence is a sentence that includes the main idea of a paragraph. The sentence above is the best choice because it could contain the general idea of how smoking is bad. The other choices show specific idea. The other choices are not suitable to become a topic sentence.