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Doctors and nurses are often barred from turning to FDA-approved medications that research shows to be the most effective way to quit. Critics of that policy say stigma is undermining best practice

British doctors report the apparent eradication of HIV from a patient who was undergoing treatment for cancer. It's only the second time this has been accomplished, despite many attempts.

For decades, scientists have observed an extraordinarily positive side effect among children who received the measles vaccine. Researchers are now finding that other vaccines confer added protections.

Ethical concerns aside, the genetic ingredients for human traits are so complex that editing a few embryonic genes is unlikely to have much effect — or achieve the fantasy of enhancing humans.

As some of the biggest names in science fiction and fantasy flock downtown to Comic-Con this week, a group of writers which may include the biggest future names in the genres has congregated in a different part of San Diego to work on their craft.

As a science journalist, I know vaccines are safe. But when it was time to take my son to get his shots, I suddenly found myself overwhelmed by fear. Does science stand a chance against emotion?

For many teachers, working with students is more than a full-time job. Here are three educators coming up with innovative solutions to the classroom challenges they face.

The central U.S. just experienced the most widespread river flooding ever recorded there. Flood defenses in major cities largely performed well, but many smaller communities were simply overwhelmed.

Preterm birth, a leading cause of death in infants, remains stubbornly hard to prevent. Researchers are on the hunt for a better understanding of what causes it and better ways to diagnose risk.

The foods we put in our bodies affect the kinds of bacteria that live and flourish there. A new book explores this collaboration — and the cultures whose dishes maximize the relationship.