Fear of darkness, general attention, a flashback, nightmares, avoidance, difficulty sleeping, and a recollection of their trauma.

These are just some of the debilitating mental health symptoms of the children in Gaza.

Iman Farajala is a psychologist who lives in the U.S.

But she grew up in Gaza.

Most of her family is still there.

She knows firsthand what it's like to live in the center

of a deadly conflict.

The experience was so vicious, so scary, so harmful, that there is no words that you can actually describe it.

How can you describe when the Israeli soldiers, they come and jump from the walls to our

home, beating up my brothers,

speaking of my mother.

Farjala works with refugee kids at a community clinic in San Francisco.

But she also goes back to Gaza from time to time, to talk to kids there and document

how the violence is affecting them.

It's completely debilicating.

And their sense of the world is shattered.

Eric Dubow is a professor of psychology at Bowling Green State University.

They don't feel secure in their families.

They don't feel secure in their relationships with others, constantly on guard.

Israel has continued to pound Gaza with airstrikes since last month.

That's when Hamas militants crossed into southern Israel, killed 1,400 people, and took more than 200 hostage.

The Israeli army now says its troops have surrounded Gaza City, where they say Hamas is headquartered.

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