Analysts say the merger of Reynolds American and Lorillard is driven by the changing demographics of smoking. But the lower smoking rate masks a more complex and varied pattern of cigarette usage.
When the neighborhood, town or nation is the patient, we're on the case. Find out about health in the community and around the globe. We round up the latest on prevention, disease outbreaks and the world's response to health crises.
Mummies from Ancient Egypt, Peru and the U.S. all show signs of hardened arteries. But why? Researchers say bad hygiene, open hearths and maybe some deeply ingrained genetic factors were to blame.
The mishaps mean federal scientists need to "take a hard look" at all federal research on deadly pathogens and make sure, in each case, that the benefits justify risks, says Dr. Tom Frieden.
Heading off to exotic locales to conduct research is one of the great joys of science. But many young scientists say they have been sexually harassed or assaulted by superiors while out there.
The sloppy handling by federal scientists of the world's scariest germs must stop, says the dismayed head of the Centers for Disease Control and Prevention. Are his new rules enough?
Sure, we all forget stuff. But federal researchers apparently forgot vials of smallpox virus, perhaps for 60 years. The vials were rushed to a secure lab in Atlanta.
The tobacco industry played an influential role in the funding and popularization of stress research. A vast document archive details the relationships between cigarette makers and key scientists.
The deadliest Ebola outbreak in history continues to grow in West Africa. Even as health leaders met to figure out how to stop the virus, the number of cases surged by nearly 20 percent in a week.
It's called chikungunya. And it causes severe joint pain that can last for months. A quarter of a million people have caught the virus in the Caribbean. So how big a problem will it be stateside?
We know some people are more at risk for abusing alcohol than others. Now scientists say they're getting closer to predicting which teenagers are most at risk.