Spending nine months in the same small space sure could get boring. So perhaps it's not surprising that scientists have discovered babies yawn in the womb. Of course, the babies are not yawning because they are bored or tired.

Being active has always been good for the bones of the young and old alike. But how does sitting still affect bones in kiddos? Teens are more likely to have lower bone mineral levels in parts of the body where they sit sedentary for long periods of time, a new study has found.

So what do they say about big babies? Well, aside from bigger feet, bigger arms, bigger toes and a bigger nose, it appears they have bigger brains too.

What's a good way to help reduce the risk your child will drown? Swim lessons. What's a surprising activity that's linked to better development across many skills? Swim lessons.

Researchers are learning more all the time about how chemicals in the environment affect our bodies. Much research focuses on children and conceiving a child.

Lifting weights for strength is one thing. When kids do it for looks on top of changing their diet and maybe their exercise habits, that's another.

It's clear that heavy drinking while pregnant can harm a baby. But research has been less clear about whether only a few drinks makes a difference. Until now.

Anxiety tends to be more common among women than men, according to various studies. But researchers don't know why. Now they're learning that it may have to do with baby girls' environment.

Sometimes trying to address one problem can cause another. This may be the case with flame retardant chemicals. They are supposed to help prevent fires, b ut they may cause health issues.

Going under the knife for any surgery can make patients uneasy. But for children with long-term stomach troubles, the option can do more good than harm.