Smoking even one or two cigarettes a day in the months leading up to pregnancy or during pregnancy significantly increases the risk that the baby will have a severe health problem, new research shows.

Though smoking during pregnancy is known to raise the risk of preterm delivery, low birth weight, restricted fetal growth and other complications, some 5% of US pregnant women admit to lighting up.

Children exposed to maternal smoking before birth are more likely to experience behavioral and mental health challenges, according to a large study funded by the National Institutes of Health's ...

Many tobacco users focus only on the immediate expense of buying cigarettes or other tobacco products. However, the long-term ...

Researchers have shown that there is strong evidence that e-cigarette use may act as a gateway to cigarette smoking and other health issues in young people. A review of reviews has revealed that there ...

Researchers have said these behaviors can affect a person's health before they reach 40, according to a new study Becca Longmire is a digital news writer-reporter at PEOPLE. She has been working at ...