What's going on inside your body to trigger such an extreme physical reaction?

Had anything happened both times to trigger such an extreme reaction?

Were that to happen, it will trigger a completely different reaction.

The basic idea of system thinking is that every action triggers a reaction.

He was about to trigger a reaction that could be hazardous to his health.

What were the conditions that would trigger such a radical reaction?

If you take too much of a medicine, it may trigger an adverse reaction.

This triggered a strong reaction from both the exhibitors and the press.

But if the subsidies are raised too high, they could trigger a destructive reaction.

The levels they deposit are high enough to trigger an allergic reaction.