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?
13 January 2016, 01:58 PM ET
An outbreak of whooping cough in Florida was surprising to health authorities there -- most of the people who got sick had been fully vaccinated.
13 January 2016, 08:00 AM ET
Scientists have created a treatment that they say can fight the two deadliest strains of Ebola.
12 January 2016, 02:59 PM ET
Some wearables offer more than exercise and sleep tracking – they claim to help treat certain diseases and conditions.
12 January 2016, 01:24 PM ET
Each of us plays host to a diverse world, a microbiome, and science has barely explored them.
12 January 2016, 11:38 AM ET
People who have the intestinal infection called Clostridium difficile may benefit from a "poop transplant" that uses frozen poop instead of fresh poop, a new study suggests.
11 January 2016, 05:15 PM ET
Here are the latest recommendations about mammograms.
11 January 2016, 05:00 PM ET
People who drink sugary beverages, such as soda or fruit juice, daily tend to gain a type of body fat associated with diabetes and heart disease, a new study finds.
11 January 2016, 03:58 PM ET
Shoe inserts, back-support belts and other gadgets aimed at preventing low back pain may be a waste of money. Instead, exercise is the best way to ward off this common problem.
11 January 2016, 11:57 AM ET
Babies' gut bacteria may depend in part on what they have been eating, a new study suggests.