Possible side effects might not prevent use of sleeping gas by criminals willing to murder, or carefully control the dose on a single already sleepy individual.

This mudsplash effect prevents individuals from noticing the change between the two pictures.

Only the effects of cold on its battery prevented her being 'patched' through direct to London on the satellite link.

The rings are so close to the planet that tidal effects prevent it from coalescing into a single body.

Wili tried to face forward, but the blankets and remaining effects of the cop's stunner prevented this.

This effect can prevent destruction of bone and cartilage.

The effects of Danny's ability are ruining their plans to terminate 4400s and prevent people from gaining abilities.

The Soviet Union had earlier developed a killed vaccine, but its side effects prevented its licensing abroad.

Floods are natural phenomena that need to be anticipated and the effects prevented.

This effect prevented the pilot from getting the whole aircraft onto the beach.