Kids may not appear to develop conditions from secondhand smoke when they’re being exposed to it in childhood. But, they can still experience respiratory problems later in life.

The youth population picking up a smoking habit is a serious concern. It's a good thing that prevention efforts to keep adolescents from starting to smoke may actually be working.

You've heard it before: smoking is bad for you. And it's not just your lungs that are harmed from you cigarette habit. Your joints can be affected too.

A little over half a century ago, cigarettes were not seen as a danger. Some doctors even recommended them. Today, we know that cigarettes are linked to a variety of health problems, including arthritis.

Teens have a tough time hearing warnings from parents and authority figures. Research shows computer education might be the best way to reach kids about the dangers of alcohol and drug use.

Exactly how does prenatal alcohol exposure slow down a kid’s cognitive ability? Compared to normal kids, they seem to have a much tougher time with ‘higher order’ thought process.

Conflicting evidence makes it tough to know exactly why some kids drop out of school because of drinking and drugs and other kids stick with it. Alcohol may be riskier than smoking pot when it comes to drop out rates.

Despite the disturbing images being added to cigarette packs and the Surgeon General's warnings against smoking while pregnant, some women are lighting up while pregnant anyway.

There are addiction scales for everything from gambling to sex, but now the social media site Facebook has its own scale too. How much time is too much time on Facebook?

Methadone is a common replacement therapy drug treatment for heroin addiction. The cost per dose of diacetylmorphine may be higher, but overall health care costs are lowered.