12 May 2015, 03:25 PM ET
A boy in Illinois whose left eye glowed with white light in a cellphone photo turned out to have a rare type of cancer that's diagnosed in only a few hundred U.S. children each year.
12 May 2015, 01:18 PM ET
Which dietary supplements are truly dangerous, and which actually help?
12 May 2015, 01:05 PM ET
Some human genes have activity levels that vary with the seasons, a new study shows.
12 May 2015, 06:23 AM ET
One reason why dieting is hard is that people want to "think" their way to eating healthier, but when they're hungry, their feelings may disrupt those plans, a new study says.
11 May 2015, 09:15 PM ET
Superfoods are foods thought to be good for one's health. The term has no set scientific meaning, however, and any list of superfoods is subjective.
11 May 2015, 07:31 PM ET
The plethora of microbes on your body are unique to you — so much so that they might be used to identify you from hundreds of others, a new study suggests.
11 May 2015, 05:00 PM ET
A woman in Sweden experienced a stroke while exercising that doctors suspect was caused by an unlisted ingredient in a workout supplement — a compound similar to amphetamine.
11 May 2015, 03:49 PM ET
Smoking marijuana can lead to more than a euphoric high. Pot has been linked to long-lasting delusions, mouth swelling and several other surprising effects.
11 May 2015, 01:48 PM ET
Eating a Mediterranean diet -- with lots of nuts and olive oil -- may help delay cognitive decline in older adults, a new study finds.
08 May 2015, 06:37 PM ET
Miscarriages are common, but the majority of Americans still think they occur rarely, a new survey finds.
08 May 2015, 05:36 PM ET
Liberia is set to be declared Ebola-free this Saturday (May 9), but experts say there's still a risk that the disease could come back to the country.
08 May 2015, 02:00 PM ET
In the future, back pain might be treated with implants that deliver drugs right where it hurts, which would make taking pills a thing of the past.
08 May 2015, 12:01 AM ET
Babies in the United States are more likely to be born during work hours than during off hours, a finding that suggests that medical interventions — such as C-sections — are playing a role in when babies are born.
07 May 2015, 04:57 PM ET
Augmentin is a broad-spectrum antibiotic that works against many common infections, including strep throat, ear infections and pneumonia.
07 May 2015, 04:30 PM ET
An American doctor who recovered from Ebola developed serious eye problems months later, as a result of the virus lingering in the eye, according to a new report of the case.
07 May 2015, 03:10 PM ET
Using cryo-electron microscopy (cryo-EM), scientists have captured the most detailed image yet of protein structures. This might "revolutionize drug development," according to The National Cancer Institute.
07 May 2015, 03:10 PM ET
Researchers can now spy on proteins at nearly the level of their individual atoms, thanks to a new microscope technique.
07 May 2015, 02:53 PM ET
Getting vaccinated against measles may also help you avoid other diseases as well, a new study shows.
07 May 2015, 11:42 AM ET
More Americans are taking vitamin D supplements, but could people get sick from it?
06 May 2015, 03:58 PM ET
The Ebola virus can live on surfaces in hospitals for up to two weeks, a new study suggests.
06 May 2015, 03:43 PM ET
Depression and bipolar disorder can both cause people to go through periods of extreme sadness and despair, and even mental health experts may find it difficult to distinguish between the two disorders. But new research suggests these conditions may have
06 May 2015, 03:27 PM ET
Going through puberty is hard for transgender kids, but hormone blockers can delay puberty while both the youth and the parents decide the best path forward.
06 May 2015, 01:48 PM ET
Autism myths and fears are not helping anyone, but research is.
06 May 2015, 10:35 AM ET
Epilepsy can emerge as we age, but treatment can bring back a sense of control.
06 May 2015, 01:52 AM ET
Drug allergies are caused when the immune system responds to some chemical portion of a medicine, and symptoms can range from mild to deadly.
05 May 2015, 10:51 PM ET
Diarrhea is one of the most commonly reported ailments in the United States. It can be caused by parasites, viruses or bacteria.
05 May 2015, 04:09 PM ET
Serious and even fatal accidents can happen while using exercise equipment, as seen with the death of SurveyMonkey CEO Dave Goldberg. But there are safety precautions people can take to prevent injury.
05 May 2015, 12:58 PM ET
The type of sugar in your drink may affect how much food you want to eat, researchers say.
05 May 2015, 12:53 PM ET
Giving patients a nontoxic strain of the bacteria C. difficile may actually ward off future infections
04 May 2015, 05:11 PM ET
A new screening test for ovarian cancer can detect more women with the disease than previous methods, a new study from the United Kingdom suggests.
04 May 2015, 01:09 PM ET
People with seasonal allergies may benefit from eating probiotics, scientists said after looking at 23 studies.
04 May 2015, 11:00 AM ET
Young children with "night terrors" could be at greater risk for sleepwalking later in life, a new study from Canada suggests.