Many families are now walking a fine line between real and unnecessary worry.

The people concerned should make sure of the facts before causing unnecessary worry.

According to the task force, false-positives can also cause unnecessary worry, anxiety, and depression.

But do not add unnecessary worries to your heart.

I do not wish to cause her unnecessary worry.

Now the wizard won't be given any unnecessary worry,

You should ensure that family/friends who expect regular contact are aware of this to avoid unnecessary worry.

Your looks are constantly depreciating, so why invest any unnecessary worry into them?

"I am really sorry," he said, "for the unnecessary worry."

By knowing the difference, you can prevent unnecessary worry and visits to the doctor.