07 August 2014, 01:42 PM ET
A young man's frequent nosebleeds turned out to be caused by an extra tooth in his nose, according to a new report of his case.
06 August 2014, 07:38 PM ET
When someone does wrong, whether we want to punish them severely or let them off easy is reflected in activity in certain regions of the brain, a new study shows.
06 August 2014, 05:49 PM ET
About a third of women who carry mutations in a gene called PALB2 will develop breast cancer during their lifetime, a new study finds.
06 August 2014, 05:31 PM ET
People with a type of rare and fatal brain disorder linked to the consumption of tainted beef have prions — infectious proteins that cause the disease — in their urine, a new study finds.
06 August 2014, 03:53 PM ET
A panel of experts will assemble next week to discuss the ethics of using experimental treatments for Ebola during the current outbreak in West Africa, according to the World Health Organization.
06 August 2014, 12:51 PM ET
The 'experimental serum' that doctors gave to two American patients who contracted Ebola is in very limited supply, and it will not be available for general use, according to the Centers for Disease Control and Prevention.
06 August 2014, 04:27 AM ET
Ebola can theoretically be transmitted through sexual intercourse, but that's a particularly unlikely route given that people aren't infectious until they feel sick.
05 August 2014, 07:05 PM ET
Results of a study of aspirin use and deaths from cancer and other diseases.
05 August 2014, 07:00 PM ET
The potential benefits of taking a daily dose of aspirin for cancer prevention may outweigh the risks, a new study suggests. But doctors are divided on whether such findings mean that everyone should start taking a pill every day.
05 August 2014, 05:26 PM ET
Older people with depression may benefit more from playing computer games aimed at improving their thinking skills than from taking an antidepressant drug, a new study suggests.
05 August 2014, 04:02 PM ET
A woman began having three to five spontaneous orgasms daily after she started taking a drug to treat her Parkinson's disease.
05 August 2014, 02:51 PM ET
Gluten-free foods can contain no more than 20 parts per million of gluten, according to a new rule from the FDA that goes into affect today (Aug.5).
05 August 2014, 02:28 PM ET
Some aspects of musical talent are built into the genes, and perhaps cannot be improved much upon with practice, researchers said.
05 August 2014, 01:18 PM ET
There are some biological markers linked with a higher chance of surviving Ebola, experts say.
05 August 2014, 12:45 PM ET
Here are five things you should know about Ebola.
05 August 2014, 12:30 PM ET
A Japanese stem cell scientist who was involved in research that was reported to be forged appears to have committed suicide, The Guardian reported.
05 August 2014, 12:20 PM ET
Teens are more likely to carry a type of bacteria that causes meningitis, called Neisseria meningitidis, and a new study suggests why.
05 August 2014, 08:09 AM ET
After an amoeba killed a 9-year-old girl, researchers explore how some infectious diseases spread differently than others.
04 August 2014, 04:59 PM ET
A doctor had an ironic experience when he came close to taking an antibiotic that he knew he did not need, while at a conference that discussed the rise of antibiotic-resistant bacteria.
04 August 2014, 03:09 PM ET
Smoking marijuana lead to the deaths of two healthy young men, according to researchers who studies the men's autopsy reports.
04 August 2014, 10:28 AM ET
Young military men who are shorter or taller than the average male have a higher risk for depression than their fellow servicemen, a new study suggests.
04 August 2014, 03:29 AM ET
Kids who limit their video-game time to an hour or less daily may be better adjusted psychologically than those who play games more, or less, a new study finds.
04 August 2014, 12:15 AM ET
Eating your steak with a side of potatoes and beans may be one way to reduce colon cancer risk related to high red meat consumption, findings of a new study suggests.
01 August 2014, 09:19 PM ET
Low-T is a real condition, but if you have it, TV-pitched supplements are not the miracle cure.
01 August 2014, 04:27 PM ET
A woman who had previously battled melanoma was terrified when she saw a new brown mark on her heel.
01 August 2014, 01:38 PM ET
Some video gamers hear sound effects like screams and explosions long after they have stopped playing, a new study finds.
01 August 2014, 12:47 PM ET
Two Americans from a medical charity who contracted Ebola have been given experimental treatments, but the method, even if it did work, couldn't be scaled up.
01 August 2014, 09:48 AM ET
A new blood and saliva test that looks for traces of the human papillomavirus (HPV) can predict whether some people with oral cancers will have their cancer come back, early research suggests.
31 July 2014, 08:34 PM ET
A pale, gooey-looking "see-through" mouse could help scientists gain a better understand processes in the body, according to a new study.
31 July 2014, 08:10 PM ET
The fourth week of pregnancy is usually when women discover they are pregnant. Now is the time to take a pregnancy test to know for sure.
31 July 2014, 08:02 PM ET
Scientists have rendered a once-furry mouse transparent, its brain, guts and all. Here's a look at the beauty beneath the rodent's skin.
31 July 2014, 07:08 PM ET
In the third week of pregnancy, there won't be any major outward changes in a woman's body, but some pregnancy symptoms may have started.