Women have heard over and over not to smoke while pregnant. But the difference it can make is still sometimes surprising. A very positive surprise when considering children's reading skills.

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.

Knowing not to smoke during pregnancy and actually quitting are two different things. It can be very tough to give up smoking, especially if you have other conditions.

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.

Social inequality has long been linked to higher rates of teen pregnancy, but can anything be specifically targeted to help prevent teen pregnancy?

How do bullies choose their victims? There are probably several reasons. But one of them may have to do with the victims of the bullying before they're even born.

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.