BOSTON -- An estimated 35 million Americans suffer from depression, an illness that strikes most people in their prime parenting years.

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Liz Brunner Reports On Depression Dangers DEPRESSION Depression Screening Locations Symptoms Depression More Common Today? Should Screening Be Routine? RESOURCES National Foundation For Depressive Illness National Mental Health Association National Institutes Of Health Depression And Bipolar Support Alliance

On the eve of National Depression Screening Day, NewsCenter 5's Liz Brunner has some tips for parents battling the blues.

"Terrible, just worthless, no good, not good for anybody, not good for her," depression sufferer Sue Kearns said.

That's how Kearns felt when her daughter was very young. She didn't know it then, but she wasn't alone.

"Probably 20 percent of Americans will experience depression sometime in their lifetime," Boston Children's Hospital Dr. William Beardslee said.

Most are parents. At a conference of 250 pediatricians Wednesday, Beardslee, author of a book on depression, talked to doctors about what can happen to children living with a depressed parent.

"Kids don't go out to play as much. They often feel they have to stay home and take care of their parents. They may stop going to activities, you know, sports, church, and so on," he said.

There is hope. Experts said that you should first admit you have an illness and seek treatment. Next, recognize it's possible to experience depression and still be a good parent. One of the best ways to do this is by being open with your kids.

"Talking about it, explaining to children this is a medical illness. Parents can say 'I'm getting treatment, and I'm going to help you.' It is enormously relieving," Beardslee said.

Medication and counseling continue to help Kearns manage her illness. Her daughter's grown now, but she says honest communication was always the key.

"Let them know that you still love them and you're not angry with them when you appear irritable or cranky and that you're going to get better," Kearns said.

Depression screenings are free and anonymous and will be taking place at close to 100 sites in Massachusetts Thursday.