Everyone knows that smoking can cause lung cancer. But there are many other less known ill effects being investigated, adding to the list of reasons to ditch the habit.

Some babies may be more likely than others to develop respiratory infections. This is especially true of babies prone to allergies. Secondhand smoke can make the situation worse.

For heart attack patients, getting post-traumatic stress disorder is fairly common. Those with PTSD are also likely to have another cardiac event, and sleep troubles may play a role.

More and more schools and communities are looking for ways to address bullying. Meanwhile, more information is being discovered about bullying's long-term impact.

Having difficulty remembering things or developing dementia is not always a normal part of aging. Many different factors can contribute to the risk of dementia.

Teens may turn to drinking, drugs or lash out after being bullied. Healthy coping techniques may help reduce this type of high-risk behavior in these teens.

People with stressful jobs may want to hit happy hour pretty hard, while less stressed workers may choose healthier options. Employers could help promote healthy habits.

There have been exaggerations about the so-called “bath salt epidemic.” It turns out that the use of heroin is more common than that of bath salts among college kids, but both are rare.

May 31 is World No Tobacco Day. The World Health Organization believes that everyone has the right to the highest standard of health, which can improve by reducing smoking rates.

Women who were abused while growing up may have a higher tendency for addictive relationships with food. This tendency could explain higher rates of obesity in abused women.