by wearing a condom
All cancers can be prevented!
Otosclerosis cannot be prevented.
No. tornadoes cannot be prevented.
It can't be prevented, sorry.
Acidity can usually be prevented by antacids.
Information spillage can be prevented by:
It can be prevented by stopping pollution...
He prevented a fight from happening
It cannot be prevented because they have not made a cure for it.
Edwards' syndrome cannot be prevented
Pulmonary stenosis cannot be prevented
sod prevented them