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In 1995, doctors in the Democratic Republic of the Congo skimmed serum rich in antibodies from the blood of Ebola survivors to treat other patients. It's a 19th century approach. Does it work?

If all goes according to plan, patients with Ebola virus will soon enter the United States. How does a hospital care for critically ill patients while protecting other patients, staff and the public?

Americans are much less active in their leisure time than they were 20 years ago; that's true even for young people. Up to half of people say they're completely sedentary. Desk jobs don't help.

The toxins' presence is blamed on algae from Lake Erie, sparking a water ban that has affected about half a million people since it was first announced this weekend.

Sierra Leone is at the epicenter of the Ebola outbreak. All homes exposed to virus have been quarantined. We visited one of them and found the atmosphere there surprisingly relaxed.

Dr. Kent Brantly, the first person to be treated for Ebola in the U.S., arrived in Atlanta Saturday, while the outbreak in West Africa continues to spread. Nigeria says a doctor there has the virus.

As early as 2015, firms with more than 200 employees may have to automatically enroll their workers in a company health plan. Though workers can opt out, some still find the provision patronizing.

Before hibernating, grizzly bears get fat fast — but they don't get metabolic problems like diabetes. Understanding how fat bears stay healthy could lead to better treatments for humans.

Bioethicist Art Caplan explains why there will not be an Ebola outbreak in the U.S. - even though patients are being flown back for treatment.

The federal Centers for Disease Control and Prevention has ordered health care providers to test recent travelers at risk for Ebola virus. So far none of those tests have come up positive.