18 August 2014, 04:27 PM ET
There's a lot of research that indicates aspirin is good for many ailments, but it can have side effects.
18 August 2014, 04:27 PM ET
The rates of hospitalizations and deaths from heart disease and stroke in the U.S. have declined dramatically in the past two decades, a new study has found.
18 August 2014, 03:58 PM ET
The iconic, walnut shape of our brains may depend on two simple physical parameters, researchers say.
18 August 2014, 03:00 PM ET
The standard polio vaccine may not always work, according to a new study showing vaccinations didn't prevent polio in people in the Republic of the Congo during an outbreak there in 2010.
18 August 2014, 02:02 PM ET
The chance that a person with Ebola will spread the disease on an airplane is small, according to a new statement from the World Health Organization.
18 August 2014, 08:43 AM ET
While difficult to diagnose, sepsis tops the list of causes of death in American intensive care units. Researchers are working at many levels to find better ways to diagnose and treat this severe condition.
17 August 2014, 02:18 PM ET
People with one type of hair loss, called alopecia areata, could benefit from treatment with a drug called ruxolitinib, according to a new study. In early experiments, hair regrew in people with the condition.
15 August 2014, 08:31 PM ET
Huge, powerful computer models are helping scientists predict the spread of a deadly virus, dengue fever.
15 August 2014, 07:04 PM ET
The U.S. Defense Advanced Research Projects Agency is asking innovators to build models that predict the spread of chikungunya virus across the Americas, and take home $150,000.
15 August 2014, 05:35 PM ET
It may be common for psychiatric patients who are Muslim to attribute their hallucinations or other symptoms to jinn, the invisible devilish creatures in Islamic mythology, researchers in the Netherlands have found.
15 August 2014, 01:43 PM ET
An experimental nano silver medication that Nigeria is planning to give to Ebola patients is unlikely to work.
15 August 2014, 11:46 AM ET
Newly discovered patterns in old outbreaks of childhood diseases, such as diphtheria and scarlet fever, could help modern disease fighters.
15 August 2014, 10:10 AM ET
Iran's parliament has recently voted to ban permanent forms of birth control, such as vasectomy, in a bid to improve country's declining birth rate. Experts find the move a bad policy, and borderline unethical.
14 August 2014, 06:34 PM ET
There is no approved treatment for the Ebola virus, but that hasn't stopped online dealers from offering products claiming to prevent the virus or treat people who have the infection.
14 August 2014, 06:30 PM ET
A new vaccine against chikungunya, a virus that can cause severe joint pain, which showed up in the United States for the first time this year, shows promise in early tests in people, according to a new study.
14 August 2014, 06:08 PM ET
A new mother in Oregon wants to breastfeed her baby even though she regularly smokes marijuana, but experts say they would be concerned about the risks of the drug to the baby's brain.
14 August 2014, 05:39 PM ET
Actor Robin Williams was experiencing the early symptoms of Parkinson's disease before he committed suicide on Monday, according to news reports.
14 August 2014, 04:49 PM ET
The instant noodles commonly known as ramen may increase people's risk of metabolic changes linked to heart disease and stroke, new research finds.
14 August 2014, 02:58 PM ET
Lucid dreamers know they are dreaming and can sometimes even change the plot of their dreams. New research suggests that these people may have stronger insight compared with others, even when awake.
14 August 2014, 11:13 AM ET
Ebola is just one of many viral diseases that shows its victims little mercy.
13 August 2014, 07:46 PM ET
Anal sex can be painful, and teenagers know it. But a new study of teens perceptions and experiences with anal sex also reveals a few more surprising aspects of their activities.
13 August 2014, 06:06 PM ET
People in a recent study who consumed salt in moderation were less likely to die over a four-year period than those who ate too little or too much of the mineral.
13 August 2014, 04:36 PM ET
Older adults who have trouble sleeping may face an increased risk of suicide, new research suggests.
13 August 2014, 04:00 PM ET
Kids with immune systems that react strongly to infections could have a higher risk of depression, a new study suggests.
13 August 2014, 12:50 PM ET
Interviews with survivors of an emergency plane landing are helping researchers understand how certain memories may increase the risk for post-traumatic stress disorder, a new study finds.
13 August 2014, 10:59 AM ET
The number of children born outside of marriage in the United States has declined in recent years, according to a new report from the Centers for Disease Control and Prevention.
12 August 2014, 07:01 PM ET
People overwhelmingly prefer symmetrical faces to asymmetrical ones, leading to the hypothesis that symmetry is a sign of health. However, new research suggests that health and facial symmetry aren't linked at all.
12 August 2014, 04:36 PM ET
The possibility that someone as talented and successful as Williams may have committed suicide shows that no one is immune to depression.
12 August 2014, 03:43 PM ET
Giving experimental treatments to patients infected with Ebola in West Africa is, indeed, the ethical thing to do, even though the risks and benefits of these treatments are unknown, a panel of experts has decided.
12 August 2014, 03:31 PM ET
Poison ivy is a toxic plant that causes an itchy and sometimes painful rash in most people when they touch it.
12 August 2014, 09:41 AM ET
Smoking an electronic cigarette may come with unforeseen risks, such as exploding charging devices and accidental poisonings from nicotine exposure.
11 August 2014, 09:00 PM ET
Anorexia nervosa involves an obsession with food and weight that can end up consuming a person's life.