13 November 2013, 11:31 AM ET
By studying how the flu virus operates, researchers hope to develop more effective vaccines.
13 November 2013, 10:56 AM ET
As fall winds down and temperatures continue to drop, winter looms, bringing forth dangerous conditions for runners.
13 November 2013, 08:56 AM ET
Tramadol is a prescription medication used to treat pain.
12 November 2013, 03:55 PM ET
If the Food and Drug Administration's proposed ban on trans fat is carried out, consumers likely won't notice much change, even though their foods will be healthier, experts say.
12 November 2013, 03:02 PM ET
Home testing for the human papillomavirus (HPV) may help detect cervical cancer in women who would not otherwise be screened by a doctor, a new study suggests.
12 November 2013, 02:46 PM ET
The Food and Drug Administration's recent announcement that trans fats could be phased out means that some popular food products may need to be reformulated in the future to comply with the law.
12 November 2013, 02:15 PM ET
For women, sex during hookups may not be as pleasurable as it is in a committed relationship, a new study suggests.
12 November 2013, 02:13 PM ET
Yes, most humans opt for the escalator over the stairs or the fatty food over the health food, but the truth is, cavemen would have too if given the choice. Here are five day-to-day decisions cavemen never had to make, which now plague modern human health
12 November 2013, 02:01 PM ET
Wild poliovirus had not been detected in Syria since 1999. But on 17 October a cluster of 22 cases of “acute flaccid paralysis”, the signature symptom of clinical polio, was reported from Deir Al Zour province.
12 November 2013, 01:43 PM ET
Flashing those pearly whites can convey information about your health, your social status and even your future earnings potential, studies suggest. So grin on, but first find out what you're sharing with your smiles.
12 November 2013, 01:27 PM ET
When you flash those pearly whites, you may be giving off more information that you realize, from how healthy you are to your future earnings potential. Smiles can reveal a joyful outlook or even hidden weakness, depending on the situation.
12 November 2013, 01:21 PM ET
These winter health concerns may not be as common as the cold or flu, but they can be even more threatening.
12 November 2013, 01:20 PM ET
Take a look at this amazing 400x-magnified image showing a microbiological water park created by the fascinating fungus Emericella nidulans.
12 November 2013, 11:52 AM ET
The "foggy-brain" feeling that some women report feeling during menopause might be improved with estrogen treamtents, new research suggests. However, estrogen replacement therapy has risks.
12 November 2013, 06:52 AM ET
People who have depression or had it in the past show signs of accelerated aging, a new study finds. In people with depression, cell structures called telomeres, which shorten with age, were shorter than in people without the condition.
11 November 2013, 05:10 PM ET
People with arthritis might know the painkiller naproxen by its commercial name, Aleve. Also sold as Anaprox and Midol Extended Relief, naproxen helps treat the inflammation, swelling, pain and stiffness of arthritis.
11 November 2013, 05:01 PM ET
Taking vitamin E or beta-carotene does not appear to reduce the risk of cancer or cardiovascular disease, according to a new review from a government-appointed panel of experts.
11 November 2013, 04:59 PM ET
The human body is covered by a wide array of different bacteria, and these microbes don't typically cause any issues while on the surface of the skin. However, bacteria can cause cellulitis if they get into the body through a break in the skin.
11 November 2013, 03:45 PM ET
Infants who unexpectedly die in their sleep may have underlying abnormalities in their brain stem, regardless of whether they are placed in safe or unsafe sleep environments, a new study suggests.
11 November 2013, 02:15 PM ET
Researchers simulated a man peeing into a urinal at different angles, finding to avoid pee splash-back men should decrease the angle of flow.
11 November 2013, 12:27 PM ET
By making fungal cells glow, researchers speed drug testing.
11 November 2013, 10:27 AM ET
Fungal lung infections like those caused by Histoplasma capsulatum are difficult to treat because it's hard to get rid of the fungal cells without damaging human cells. A new way to mark fungal cells by making them glow could solve that problem.
11 November 2013, 09:34 AM ET
Attention has been given lately to the link between oral sex and the risk of acquiring oral infections with the human papillomavirus (HPV). But researchers may have overlooked another possible risk factor for oral HPV: giving it to yourself.
11 November 2013, 09:02 AM ET
A front-of-package food label that boils down nutrition information to a single number may be the most user-friendly for consumers in terms of helping them pick healthy products, a new study suggests.
08 November 2013, 06:35 PM ET
A spinal cord injury is caused by damage to parts of the spine.
08 November 2013, 05:16 PM ET
Newly discovered bacterium is reminder to clean that toothbrush holder.
08 November 2013, 02:24 PM ET
Whether everyday activities such as housework, gardening or sex can be considered as exercise is a topic of current research. But traditional workouts are still important. Here are tips for starting and sticking with an exercise routine.
08 November 2013, 02:16 PM ET
The ideal age for first parenthood is 25 for women and 27 for men, new research suggests. But those averages conceal wide differences in opinion across race, gender and education level.
08 November 2013, 11:49 AM ET
A man in Atlanta has been diagnosed with a severe case of saxophone lung. Though the name of the condition seems odd, it's quite appropriate, since saxophonists and other wind-instrument players are among those who contract the illness most often.
08 November 2013, 10:13 AM ET
A 10-year-old boy with leukemia underwent a bone-marrow transplant, and after the procedure, doctors discovered that he was cured of his peanut allergy, they reported today.
07 November 2013, 10:44 PM ET
The disease, called cyclosporiasis, is common to tropical and subtropical regions.
07 November 2013, 03:18 PM ET
Bullying is usually considered a social ill, but now public health professionals are noticing mental health symptoms -- dubbed "bullying syndrome" -- in children who've been bullied.