No known effects were reported from the Caribbean due to the cyclone.

They have no known effects at all on the ozone layer.

Lung cancer is the only known effect on human health from exposure to radon in air.

The depression then moved inland and dissipated, with no known effects.

While the protests have had no known effect on programming decisions up to now, some in the industry expect that they will eventually.

In the course of years, it has been adopted to successfully model a large number of known effects.

The only known biological effect of radiofrequency energy is heating.

The vitamins, which are found in a variety of foods, have no known harmful effects.

It has no known effect on function, and is described as being expected or normal in ageing.

And there are no known harmful effects from the magnetic field used during the scan.