Lead is a well-known environmental risk for children. Too much exposure to lead can have long-term effects on a child's brain. And it may not take much lead to have an effect.

Throughout our entire lives, we interact with chemicals. The vast majority of these chemicals do us good or cause no harm. A small number, however, are linked to mental health issues.

Public health officials have advertised the dangers of drinking and driving for years. But texting while driving can be just as dangerous, and not everyone is getting the message.

You know them by the names propane, methane, butane, octane and other "anes." These hydrocarbons are in most homes and can pose serious risks to little children.

More and more research is pointing to children's access to food as a major influence on their nutrition and risk for obesity. School lunches are a big part of that access.

Much attention has focused on the violence in video games and whether they can be a problem for kids' development. But the video games also may be used for good.

We've come a long way since the days when gasoline and paint contained lead. Too much lead exposure can cause lasting neurological problems. The good news is that lead exposure levels continue to drop.

One of the worst things a person with asthma can do is smoke, or even be around tobacco smoke. Fortunately, fewer asthmatic kids are smoking or are around secondhand smoke.

Health supplements, faith healing, homeopathy, chiropractic care and acupuncture are all types of complementary and alternative medicine. How often do children use this kind of care?

Kids hospitalized for respiratory problems often live in homes where adults smoke. Can healthcare professionals make a difference by talking to parents about secondhand smoke?