22 January 2016, 04:25 PM ET
Migraine sufferers might benefit from using medical marijuana -- a new study shows the drug might lead to fewer of the painful headaches, a new study suggests.
22 January 2016, 02:59 PM ET
Most people under age 45 would not go to the hospital if they were experiencing stroke symptoms.
21 January 2016, 04:08 PM ET
By taking a 1-minute quiz, you can find out if you're at risk for prediabetes. The quiz is part of a new public service campaign.
21 January 2016, 02:59 PM ET
Experts created the first national survey of Lyme-disease-carrying-tick distribution in decades, and found that the ticks are ranging farther north than before, and are now living in nearly 50 percent of all U.S. counties.
21 January 2016, 11:07 AM ET
Apple's forthcoming iOS update promises to incorporate a feature called Night Shift that could help people sleep better. But what is it about smartphones that can mess with our slumber?
21 January 2016, 11:05 AM ET
The worm lurked in the man's intestines for two years.
21 January 2016, 12:01 AM ET
Kids whose parents have "unsecured debt" may have more behavior problems, a new study finds.
21 January 2016, 12:01 AM ET
The oldest of the old are living even longer, a new report shows.
20 January 2016, 04:33 PM ET
People who use opioid medicines for pain may face a higher risk of depression, a new study finds.
20 January 2016, 04:00 PM ET
To prevent heart disease deaths, people may want to focus more on eating more unsaturated fat, rather than eating less saturated fat, a new study suggests.
20 January 2016, 11:32 AM ET
Famous antarctic explorer Sir Ernest Shackleton may have had a hole in his heart.
20 January 2016, 08:26 AM ET
Women who develop the skin cancer melanoma during pregnancy may have more aggressive cases of the cancer, a new study suggests.
19 January 2016, 07:42 PM ET
People are more likely to survive cardiac arrest if they live below the third floor, a new study finds.
19 January 2016, 04:45 PM ET
Some pregnant women who traveled to areas where Zika virus is spreading should be tested for the disease, health officials announced today.
19 January 2016, 03:57 PM ET
Smoking pot doesn't make teens any dumber, a new study finds.
19 January 2016, 03:30 PM ET
19 January 2016, 03:06 PM ET
Older people who have lower levels of bicarbonate, a main ingredient in baking soda, in their blood may be at increased risk of premature death.
19 January 2016, 01:27 PM ET
Low-fiber diets may permanently reduce the diversity of microbes living in the human gut, new research suggests.
18 January 2016, 02:48 AM ET
In a rare case, an 11-month-old baby in Spain developed scurvy. Here's a look at what happened.
16 January 2016, 09:04 AM ET
There are a slew of ways to define brief psychosis, but a new study finds no differences in prognosis among different definitions.
15 January 2016, 01:59 PM ET
The Ebola outbreak in West Africa is not over — just one day after the region was declared "Ebola-free," a new case of the virus was confirmed in Sierra Leone.
15 January 2016, 07:47 AM ET
An a very unusual medical case, doctors removed a live worm from a man's eye. Here's what happened.
14 January 2016, 09:39 PM ET
Older adults who don't sleep as well may be at increased risk for changes in their brain, a new study finds.
14 January 2016, 02:23 PM ET
West Africa is now Ebola-free, marking an end to the devastating epidemic that plagued the region for two years.
14 January 2016, 01:54 PM ET
Experts evaluate the threat posed by Zika virus, a denguelike illness that in recent months has spread rapidly across the Americas and has been linked to birth defects.
14 January 2016, 01:46 PM ET
A rare horrific plane crash with many survivors challenged the doctors at San Francisco General Hospital and Trauma Center.
14 January 2016, 11:00 AM ET
Some cancers are mysterious, in that doctors cannot determine where they originated. Now, it seems that some of these cancers are caused by HPV.
14 January 2016, 12:01 AM ET
The age of first-time moms is on the rise.
13 January 2016, 11:10 PM ET
Mutations are alterations to a DNA sequence. They can cause diseases and conditions, but they are also tools in evolution.
13 January 2016, 06:56 PM ET
The Paleo Diet is a modern attempt to replicate the diet of humans of the Paleolithic age. These ancient hunter-gatherers lived before the advent of agriculture and subsisted on lean proteins, eggs, fruits, vegetables, nuts and roots.
13 January 2016, 03:09 PM ET
Skin cells have been reprogrammed into insulin-producing cells, which could one day help treat, or even cure, certain kinds of diabetes.
13 January 2016, 02:59 PM ET
The plague was brought to Europe by rats on ships. Or was it?