Training individuals who use illegal injection drugs on safer practices may help other drug users in the community improve safety. Safer practices could lower risk of spreading HIV.

Smoking is unhealthy for the healthiest of people. But for people with human immunodeficiency virus (HIV), smoking is even worse. Want to stay healthy with HIV? Quit smoking now.

The dangers of secondhand smoke for children can often show up in unexpected ways. Even some bacterial illnesses can pose a higher risk to children if they're around secondhand smoke.

A diagnosis of chronic obstructive pulmonary disease ( COPD ) often is the end result of a lifetime of smoking. So should  COPD patients want to get a checkup for lung cancer as well?

Smoking is bad for everyone, but for people with compromised immune systems like HIV patients—it’s even worse. Smoking cessation can improve HIV treatment plans.

Getting sick while pregnant may make expectant moms feel even more ill at ease. Will the illness affect your child? Can it increase his or her risk of autism? So far, it seems unlikely.

When homeless youths use drugs and alcohol—they are at much higher risks for associated health problems. Nurse-led interventions may be a cost-effective way to encourage sobriety.

HIV-related dementia, known as AIDS dementia complex, can create memory problems and changes in behavior. Scientists are trying to understand how HIV affects the brain.

Teens and young adults have more access to technology than ever before. Sexting can have legal and social consequences, but could sexting behavior have health consequences too?

Severe sepsis is a life-threatening event that can often leave a patient disabled. Spouses of severe sepsis patients have reported experiencing increased levels of depression.