Research to discover what causes autism, including possible environmental triggers, must be a top priority.

There is hope, though, if you make a list of possible triggers, and have an allergist check it twice before the season starts.

In this way, you'll be able to track your possible triggers.

It isn't clear why this happens, but a number of explanations and possible triggers have been proposed.

Researchers continue to study possible triggers of the disease.

Runoff from the heavy rain that day, or possibly a water main break, have been suggested as possible triggers.

Talk with your doctor about the following possible triggers.

With so many possible triggers, what can be done to treat dandruff?

One possible trigger is the height of the plant.

"I look at this as a possible trigger," he said.