The research is designed to contribute to the understanding of problem drinking among teenagers.

Treatment literacy is very low, which contributes to the high levels of stigma among health workers and the general population.

The core curriculum contributes to a sense of unity among the student population.

Divorce also contributes to the decline in friendship among Americans.

The heavy drilling appears to have contributed to morale problems among teachers.

Could indoor pools be contributing to the increase in asthma among children?

These factors may be contributing to a decline in college enrollment, especially among minority groups, the report suggested.

The spectacle seems to have contributed to a measure of cynicism among the voters themselves.

His hypothesis was that dietary differences contribute to bone loss among individuals.