Harmful

Smoking may be harmful to his heart.

Smoking is harmful to health.

There is no denying the fact that smoking is harmful.

Smoking is harmful to your health.

Wine is not harmful in itself.

Drunk in moderation, alcohol is not harmful.

Playing cards is not in itself harmful.

TV is harmful in that it keeps your mind in a passive state.

It contained harmful chemicals.

The group put up posters to remind people that noise is harmful.

Wear a hat to protect your skin from harmful sunlight.

Smoking is harmful to the lungs.

Burning fossil fuels is harmful to the environment.