11.   AIDS, acquired immune deficiency syndrome, breaks down the immune system, though someone who has tested positive for HIV may live years without developing the disease.

12.   All of this will only grow as the euro breaks down internal barriers in European markets.

13.   But more such deals will follow, say analysts, as the pressures to merge break down traditional national boundaries.

14.   Cable break down?

15.   Can a single currency break down the barriers of language and custom that divide Europe?

16.   Claritas, a market-research company, breaks down the population into different market niches, based on their buying patterns.

17.   Do we want to see the Royal Family break down and weep, its supporters ask?

18.   Donadoni can both choreograph the action by distributing passes out of central midfield and break down defenses with his athleticism and skill on the wings.

19.   Ecstasy promotes euphoria, breaks down inhibitions and delivers mellow hallucinations, prompting users to consider it harmless.

20.   Even with a sound exercise routine, many women say that the instant they walk into their house, the system breaks down.