When they stick, relative motion between the plates leads to increasing stress.

Some people wait until their children are grown to separate, and "economic stress is leading to marital stress," he said.

This led to increased stress between the band members.

It's also uncertain whether a deficiency of serotonin might lead to chronic stress.

Another factor leading to discrimination and stress are cultural differences between managers and workers.

Being unhappy with your work or finding your job too demanding can lead to chronic stress.

Sickness absence increases: unhappiness may lead to depression or stress.

But a burned-in screen can lead to eye strain or stress for the people who rely on the monitor.

And these unrealistic expectations, "may lead to financial excess and economic stress."

Eleven other children required more than one surgical operation, leading to personal, emotional and financial stress, the researchers said.