1.   It contains fewer chemical pollutants, which asthmatics are often allergic to, and so helps to prevent asthma attacks.

2.   Keep aster plants well watered to help prevent attacks of mildew.

3.   Now a new global watchdog group has been launched to help prevent these attacks.

4.   There are a number of medications available to treat asthma attacks and to prevent attacks in the first place.

5.   This was to prevent attacks by bandits on travellers whose cries floated nightly over the fields to the colony.

6.   Erm, inhaler for asthmatic attack, well to prevent asthmatic attacks.

7.   Insurers say the only way to prevent attacks is to make schools totally vandal and arson proof.

8.   Although he said unnamed measures were taken, the company was unable to prevent the attack.

9.   Although the Tutsi-dominated army does not openly challenge the Government, it seems to be unwilling to prevent attacks by Tutsi extremists.

10.   American intelligence officials were no longer certain Milosevic would intervene to prevent an attack on the Krajina Serb regions in central Croatia, a view the Croats shared.