Kids can have more than a down day; more and more information is coming forth to show the seriousness of childhood depression.

For children living in foster care, the trauma and mental health toll can be tremendous. Many studies have shown that up to 80 percent of them have developmental or mental health problems.

Huge progress has been made in treating and curing childhood cancers over the past 50 years. Scientists are now discovering, though, that some children tend to have more aggressive disease and poorer outcomes.

It's no secret that children all have very different personalities, even siblings raised in the same household. Most parents have experienced that what works with one kid, doesn't work with another.

Kids with special needs are struggling in the classroom, far more than their peers. Kids with special needs feel more isolated, are the victims of bullying at far greater rates, and are less motivated to do well academically.

Attention deficit - hyperactivity disorder (ADHD) has a lot of genetic cousins, ranging from autism to diarrhea. Researchers have recently added childhood asthma to the list.

Attention deficit hyperactivity disorder (ADHD) can negatively impact so many areas of a child's life - and that of his or her family. And the more severe the disorder, the more the quality of life suffers.

Babies who are born prematurely are at higher risk for many medical problems, including brain injuries. And when infants are born with brain injuries, it puts them at higher risk for developing psychiatric disorders in adolescence.

Children and young adults with autism often have difficulty communicating and interacting with others. So far, there have been no medications to treat it.

The stress of having a parent deployed to Iraq and Afghanistan can wear on any child. Long-term deployment, though, may have a major impact on children, according to a recent study.