His condition prevents him from forming new long term memories.

I hope conditions will not prevent the happy occurrence of communication from repeating itself.

A match can be abandoned if weather or other conditions prevent any play from occurring at all.

The political conditions prevented his return to public politics.

These conditions usually improve within a few weeks and rarely prevent patients from completing the program.

His condition prevented him from being placed in an upright position.

Your condition - by its very nature - may prevent you from seeing things clearly.

The Prince's poor condition had prevented him from attending her funeral.

This Union works to improve conditions to prevent further casualties.

Such conditions prevent most business travelers from using that fare.