This can be triggered by bereavement, a trauma or even constantly worrying about money.
Lastly, there is the possibility of a nuclear war triggered by something other than a state.
One set of subsidies is triggered by prices that Congress sets in farm bills.
The indicator was triggered by two important statistical events in the last week or so.
Historically, South Korean governments have tried to de-escalate military tensions triggered by North Korean aggression.
Friday's sell-off was triggered by US inflation data, which posted its biggest jump in five years.
You thought that the market dislocations triggered by the collapse of Lehman Brothers were bad?
The selling triggered by speculation of IMF sale will beget more selling in the coming days.
The by-election was triggered by former MP Louise Mensch's decision to stand down for family reasons.
The main reason appears to be a catalytic warming effect, triggered by global warming.
On 23 February 1997, a serious fire broke out, triggered by a chemical oxygen generator.
Some actions taken by Hon Hai have worsened the bad publicity triggered by the suicide wave.
WSJ: Apple, H-P Investigating Foxconn's Steps to Deal With Suicides
Folklore is correct that yawning is triggered by boredom, drowsiness, stretching or other people yawning.
When it happens at all it tends to be triggered by some sort of life trauma.
But the AbioCor lacks a response to "fight or flight, " a hormonal mechanism triggered by the brain.
The poll was triggered by a court ruling annulling May's election result - which Labour won narrowly.
BBC: Oldham by-election contest is 'really close' says Clegg
The financial market turmoil triggered by the subprime mess is setting new lows for financial services stocks.
You also feel great afterwards thanks to endorphins and other assorted brain chemicals triggered by the laughter.
This is the same kind of response triggered by anticipating that you are about to be hurt.
The court heard he had lost his job because of the negative publicity triggered by the case.
More likely, the vendor will learn to negotiate to recover the interest triggered by the late payment.
FORBES: Procter & Gamble: Basis Point Wise, Percentage Point Foolish
The vote on policy changes was triggered by a minimum number of comments required on proposed changes.
Many of my blogs are triggered by events or their anniversaries, and this one is no different.
The focus on motion-control, triggered by the success of the Wii, is about new types of game-play.
FORBES: PlayStation Move Launch Begins The Battle For Non-Gamers
Mr Kapor said Mr Rosedale's decision had been "expected" and was not triggered by any specific event.
So the downfall of the cave bear may have been triggered by competition with human for caves.
Users can also set up email and push alerts triggered by Dropcam's motion and sound sensing technology.
ENGADGET: Dropcam's iOS app goes big, now optimized for iPad
This initiative was triggered by worries about the management of investment banks, after the collapse of Barings.
The greatest risk facing the United States economy is a recession triggered by the European financial crisis.
Bleaching is triggered by high temperatures and its frequency has increased, probably in response to global warming.
ECONOMIST: The Great Barrier Reef: Dr De��ath v the killer starfish | The
应用推荐