31 October 2014, 06:04 PM ET
The 2014 Ebola epidemic in West Africa is the worst Ebola outbreak in history, and has implications for the world. Here is everything we know about the virus, and its spread, so far.
31 October 2014, 02:17 PM ET
Two experimental vaccines against Ebola are currently being tested for safety, and health officials have said that millions of doses could be available by the end of next year. But how do the vaccines work?
31 October 2014, 12:15 PM ET
It's true: Scratching an itch does only make it worse. Now scientists have some ideas about why that happens.
31 October 2014, 10:46 AM ET
Governors are playing politics by quarantining those who can help fix the Ebola crisis.
31 October 2014, 09:17 AM ET
Before you run out for some Lysol, please read this.
31 October 2014, 09:11 AM ET
Through text messing, the not-for-profit group Creating Community Solutions, is asking Americans to start a conversation with others on mental health.
31 October 2014, 08:50 AM ET
The not-for-profit group Creating Community Solutions has created this solution, which lets Americans can take better care of themselves and others.
31 October 2014, 03:16 AM ET
From teenagers to Lady Gaga's Born This Way Foundation, young activists are forging a new platform for mental health support for the texting generation.
30 October 2014, 10:16 PM ET
Colon cancer, the second leading cause of cancer deaths in both men and women, can be flat or look like a cauliflower stalk.
30 October 2014, 05:00 PM ET
The Ebola virus can spread through contact with an infected person's blood, feces and vomit, but some information online suggests it's also possible to get Ebola by being near an infected person who sneezes.
30 October 2014, 02:06 PM ET
People infected with Ebola vary greatly in terms of how severe their symptoms are. Now a new study in mice suggests genetics may play a role in how each body fights off the virus.
30 October 2014, 10:00 AM ET
When Ebola virus hit a small village in Guinea for the first time, the victim was just a toddler, who later became known to the world as Patient Zero.
30 October 2014, 09:43 AM ET
Winter is almost here, and that means a likely increase in people falling ill from flu. But why is flu season in winter anyway?
30 October 2014, 09:16 AM ET
Google is developing nanoparticles that the company hopes will catch early signs of disease, but are there potential drawbacks to the technology?
29 October 2014, 09:38 PM ET
For a woman trying to get pregnant, there are a number of ways to increase the chances and make it more likely that she will conceive a child.
29 October 2014, 07:15 PM ET
Although colon cleanses are touted for removing "toxins" from the body, strengthening immunity and promoting weight loss, there isn't much science to back up these claims.
29 October 2014, 06:02 PM ET
Small changes in the way Ebola interventions are carried out may make a big difference in curbing the growth of the epidemic in West Africa, experts said this week.
29 October 2014, 04:14 PM ET
The first vaccine designed to prevent a common type of bacterial meningitis has been approved for use in the United States.
29 October 2014, 02:15 PM ET
They may be small, but new lab-grown miniature human stomachs could one day help researchers better understand how the stomach develops, as well as the diseases that can strike it.
29 October 2014, 02:00 PM ET
Researchers can now grow miniature human stomachs in a petri dish in just about a month. These tiny stomachs measure less than one tenth of an inch (3 millimeters) in diameter, but may be valuable tools in understanding stomach development and disease.
29 October 2014, 11:11 AM ET
When Jonas Salk and Albert Sabin developed vaccines for polio, they stopped a brutal disease in its tracks.
29 October 2014, 02:23 AM ET
As techniques advance, surgery is beginning to lose its frightening reputation.
28 October 2014, 07:08 PM ET
Ebola may be the most feared disease right now, but for most of the 20th century, outbreaks of another disease left thousands of people paralyzed or confined to breathing machines: polio.
28 October 2014, 06:37 PM ET
Women who drink three or more glasses of milk daily may have an increased risk of dying over the next 20 years, compared with women who drink less milk, according to a new study..
28 October 2014, 04:16 PM ET
An aorta cuff, called the C-Pulse, has shown a lot of promise in a study involving 20 patients. The cuff is attached to the aorta, syncs to a patients pulse and assists in squeezing blood from the heart.
28 October 2014, 03:34 PM ET
Two Dallas nurses who became infected with Ebola this month may have recovered so quickly because of their youth, as well as the protective equipment they were wearing at the time of infection.
28 October 2014, 10:05 AM ET
Amber Vinson has recovered from the virus, and will be discharged from Emory University Hospital, the hospital said.
28 October 2014, 06:54 AM ET
"Colon cleanses" are touted for ridding the body of toxins and promoting health. But experts say cleansing is unnecessary, and can be risky. Here is a look at the truth about colon cleansing.
28 October 2014, 06:54 AM ET
Some "healthy" alternatives to Halloween candy are likely to meet disapproval from kids. Here are some suggestions for kid-friendly ways to avoid contributing to childhood obesity.
28 October 2014, 01:14 AM ET
There is much that genetic tests reveal, and much that they still do not.
28 October 2014, 12:58 AM ET
A century after his birth, Jonas Salk still inspires the heroic nature of vaccines.
27 October 2014, 07:36 PM ET
ALS is a poorly understood illness, but that may be about to change.