Sentence examples for are not proven from inspiring English sources

They are not proven".

Legal challenges to corporate misbehavior are not proven electoral gold.

Some of the theories on it are not proven so it's not something we would endorse".

Though their anti-aging effects are not proven, they do smell like maple butter cream.

They claim the crops are not proven safe, to people or to the environment.

But the cell-based production is not quite ready, and some of the newer techniques are not proven enough to satisfy many experts.

Antioxidants are "not proven to be of any value, said Dr. B. Greg Brown of the University of Washington, who conducted the study.

The drugs cost far more than penicillin and are not proven effective against the streptococcal bacteria most often responsible for throat infections.

In all these areas, the woolly language of arts policy tends to hide the fact that many of these (sometimes expensive) projects are not proven to work.

For higher temperatures up to 860 °C, they exist only within β grains near the substrate and are not proven for temperatures higher than 890 °C.

Although physicians frequently order non-essential diagnostic tests, including screening tests such as electrocardiograms (ECGs), effective strategies for achieving evidence-based test-ordering are not proven.