harmful

Studies revealed that exposure to harmful UV rays could cause wrinkles and other signs of aging, as well as skin cancer.

Hence, it is often as harmful for a person to use these medicines freely as to use alcoholic liquors in any other form.

Father will not insist on your doing anything that will be harmful.

And it is especially their so-called tactics that are harmful to the proletariat.

In the same way shade is harmful to vegetation, since the radiant energy required for growth is prevented from reaching the plant.

It has all the fantastic unreality of Chinese dragons, and, therefore, can in no way be harmful.