"On the other hand, general feelings of happiness and optimism can play a protective role against the disease."

Laboratory studies show that the antioxidants may have a protective role in cancer and heart disease.

The design on the lobby floor depicts the protective role of government.

From the age of five years, schools may play a protective role.

There have been few scientific studies about the protective role of coastal vegetation.

Later, the protective role of the river basin gave way to economic needs.

A bodyguard has to have a strong dedication to their protective role.

The formation of this complex provides a protective role for stability and activity.

Then the protector can also let go of its protective role and assume a healthy one.

The U.N. would have to be involved itself in a protective role.