It's the prevention of migraines during daily life that's important, not dealing with migraines when they occur.

The checked player must find a way for the king to escape and block the check.

There's also the danger of unexploded bombs, so they reported it to the police and the area was taped off to keep people out.

They confirmed the importance of strengthening global precautions in order to prevent devastating losses.

Just how well can masks block the, even smaller than pollen, yellow sand dust? I think it much more of a nuisance than pollen.

In short some guns have excellent security systems to prevent accidental firing (e.g. when dropped), others don't.

The Department of Homeland Security's primary function is the prevention of terrorist attacks occurring within America and, in the extreme case of an attack happening, holding losses to the smallest possible level and swiftly carrying out restoration.

Carpets have the effect of a dust pocket, with merit of sucking up dust and stopping it flying around, but you can say that effect backfires.

You have to get more exercise in order to stave off senility.

The refrigerator preserves food from decay.

Defensive driving can help you avoid accidents.

Packaging can actually prevent certain kinds of waste.

She was wearing a thick coat against the chill.

She tried to prevent the rumor from spreading.

His prompt action prevented an epidemic.

The developing world and the developed world can prevent a war from breaking out by helping each other.

The levee kept the floodwater back.

Careful driving prevents accidents.

The surest way to prevent war is not to fear it.