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.

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?

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.

So much research over the past 50 years has been focused on the dangers of smoking to the smoker. Their children are stakeholders in this addiction and are paying a price too.

Picking up the pieces for Gulf Coast residents has been no small feat. In early 2010, the Deepwater Horizon oil spill leaked nearly 5 million barrels of oil into the Gulf of Mexico, possibly causing a public health crisis.

Sleep studies are being used to study children who have undergone tonsil and adenoid removal surgery to detect possible respiratory complications.