1.   The study raises the possibility that dieting is bad for your health.

2.   This study raises several important questions.

3.   Although several recent studies have raised questions about the fairness of capital punishment, neither candidate favors a moratorium on executions.

4.   An accompanying commentary in Nature pointed out some of the issues the new study raises.

5.   A new, comprehensive study raises serious questions about just how much anyone knows about the true rate of inflation in the United States.

6.   A new study raises questions about whether the current measure used to define lead poisoning is stringent enough.

7.   A new study raises the possibility that off-road activities increase the spread of the deadly hantavirus in mice that live near such popular recreation areas.

8.   But a recent study has raised a disturbing question about some of the most commonly prescribed drugs in the United States.

9.   But a new national study raised troubling health concerns Thursday about the widespread practice.

10.   But a new study raises a host of questions about the long-term health consequences of drinking even small amounts of alcohol while taking the hormone therapy.