Researchers continue to search for answers in the the West African Ebola outbreak — now the largest in history. One research team has made a discovery that could lead to improved treatments and vaccines for the deadly virus.

The US Drug Enforcement Administration (DEA) has taken action to control the widespread abuse of narcotic painkillers. The agency has placed tighter restrictions on products containing one of the most common painkillers available.

Surgery to repair a torn meniscus is one of the most common orthopedic surgeries around the world. But new research questions whether the surgery is needed as much as it is performed.

Many surgeries for the male and female urinary tract and male reproductive organs no longer require a hospital stay. A trend toward more same-day procedures, however, may lead to deadly complications.

Surgery can be a nerve-wracking process for patients. Many are concerned about potential side effects of the medicines used to numb pain and put them out for the procedure.

Health officials strongly recommend sunscreen use — especially in scorching summer conditions. But they're not yet so sure about spray sunscreens.

In an effort to achieve a more youthful look, some people turn to injectable fillers meant to plump up their skin and get rid of wrinkles. But these products aren't always safe, especially if they haven't been approved for cosmetic use.

During high-heat times like the summer, heat-related workplace illnesses and deaths spike. But workers may not be in as much danger if they take it slow.

Even with FDA approval, the overall safety of some prescription medications may be unknown.

Nursing homes provide around-the-clock care, primarily for older people with existing health problems. While many conditions can be managed over the long-term, some injuries like hip fracture can have severe short-term consequences.