09 April 2014, 01:01 PM ET
Amoebae can kill human cells by eating them alive, biting off chunks of intestinal cells until they die, a new study finds. This is the first time scientists have seen this method of cell killing.
09 April 2014, 12:07 PM ET
Women with irregular periods, such as those who go more than five weeks between periods, may be at increased risk of death from ovarian cancer, a new study suggests.
08 April 2014, 04:52 PM ET
The Ebola outbreak in Guinea and Liberia has claimed more than 100 lives, and rumored cases in nearby countries are under investigation.
08 April 2014, 04:25 PM ET
Drinking just one to two servings of coffee a day may reduce the risk of colon cancer, a new study suggests.
08 April 2014, 03:50 PM ET
Anxiety-producing intrusive thoughts — characteristic of obsessive compulsive disorder, or OCD — may actually be widespread in the general population. A new study found that more than 94 percent of people have unwanted, intrusive thoughts and impulses.
08 April 2014, 02:07 PM ET
Instead of getting surgery, an adventurous surfer in Hawaii sought a different approach to treat his eye condition — he dipped his head into the rushing water while surfing a gigantic, 30-foot (10 meters) wave, according to a new report of his case.
08 April 2014, 01:18 PM ET
The number of 15- to 17-year-olds who give birth has declined, but these younger teens still account for about one-quarter of teen births — nearly 1,700 births weekly, or 86,500 yearly, according to a new government report.
08 April 2014, 11:19 AM ET
Men who have high levels of prostate specific antigen (PSA) during prostate cancer screening often turn out not to have cancer, but a new set of markers in the blood may improve the tests's accuracy.
08 April 2014, 02:29 AM ET
Researchers have developed a wearable patch that can monitor your health, store and transmit data, and deliver drugs when needed.
08 April 2014, 12:00 AM ET
For people who become paralyzed after a spinal cord injury, the condition is usually permanent, but a new study suggests that zapping the spine with electricity during physical training could help paralyzed patients regain movement.
07 April 2014, 08:44 PM ET
The researchers raised concerns that drilling in the permafrost may expose us to many more pathogenic viruses. Should we be worried about being infected from the past? Can human viruses survive in this permafrost environment and come back to wreak havoc?
07 April 2014, 06:17 PM ET
A high-fiber diet may protect against colon cancer, but only if you have the right gut bacteria, a new study in mice suggests.
07 April 2014, 05:04 PM ET
The pancreas helps regulate blood sugar levels. It is also an important aid in digestion.
07 April 2014, 04:26 PM ET
Responsive stress hormones are linked to a lower rate of automobile crashes or near crashes for teenage drivers, new research finds. The stress response may be a crucial part of learning to cope with challenges on the road.
07 April 2014, 04:00 PM ET
The obesity rate in children hasn't declined in recent years, and severe obesity may even be on the rise, a new study has found.
07 April 2014, 12:26 PM ET
Eating legumes -- such as beans and peas, helps lower "bad" cholesterol, a new study finds.
04 April 2014, 04:22 PM ET
A Minnesotan returning home from West Africa has tested positive for Lassa fever, health officials have confirmed.
04 April 2014, 09:52 AM ET
Members of the quantified self movement use technology to collect data about themselves, for self-insight and self-improvement. As tools to track our lives become more ubiquitous, experts say they could help the general public become healthier.
04 April 2014, 09:33 AM ET
Yes, kids, Cap'n Crunch is looking at you. The mascots on boxes of cereal advertised to children tend to stare downward to catch the gaze of kids. Why? Eye contact helps increase feelings of trust in a brand, a new study suggests.
04 April 2014, 02:26 AM ET
Suicide rates have been rising steadily, but awareness of the warning signs can help prevent suicide.
03 April 2014, 06:04 PM ET
Some of our body parts are vital, some are seemingly or truly useless. Here are some little-known body parts that lie somewhere in between and don't get that much attention.
03 April 2014, 05:41 PM ET
An experimental "mini heart" could help people with a medical condition that causes blood to pool in their veins by pumping their blood through the vessels and back to the heart, researchers say.
03 April 2014, 05:18 PM ET
A rhythmically contracting cuff made of cardiac muscle cells surrounds the vein acting as a "mini heart" to aid blood flow through veins.
03 April 2014, 04:01 PM ET
Insomnia may be associated with serious health risks, new research suggests.
03 April 2014, 01:05 PM ET
Social media may help people talk about their health issues.
03 April 2014, 01:01 PM ET
Researchers found a steady and rapid increase in the number of calls to poison control centers about e-cigarettes and the liquid nicotine used in them, according to the report.
02 April 2014, 08:15 PM ET
It's important to get enough potassium in your diet, because this mineral is thought to be beneficial in lowering blood pressure, and maintaining cardiovascular health. Here are some good sources of potassium.
02 April 2014, 05:33 PM ET
A popular diet supplement has caused an outbreak of severe liver disease, sickening nearly 100 people in 16 states since it was first reported in Hawaii last year.
02 April 2014, 05:27 PM ET
Getting a sufficient amount of bright light early in the day may help you manage your weight.
02 April 2014, 05:00 PM ET
A dose of the "love hormone" oxytocin may make orgasms more intense for people without sexual problems, a new study from Germany suggests.
02 April 2014, 04:00 PM ET
People who are fitter in their 20s may have sharper minds in their 40s and 50s, a new study finds.
02 April 2014, 03:00 PM ET
Plan to buy a fitness tracker like the Basis Carbon Steel or Jawbone Up 24? Check out LiveScience's in-depth reviews before making a purchase.