03 February 2014, 05:41 AM ET
In a tragic case, a teen boy's worsening memory and speech problems were caused by an extremely rare and fatal brain disorder.
03 February 2014, 12:01 AM ET
Two out of three Americans don’t know what a healthy body mass index (BMI) is, a new national poll finds, despite the fact that knowing one's BMI score, along with a few other numbers, can tell people if they are at risk for a variety of health problems.
02 February 2014, 09:13 PM ET
Certain vitamin supplements may blunt the muscle's natural response to endurance training, interfering with the cellular signals that are needed for the muscle to adapt to training, a new study suggests.
31 January 2014, 05:16 PM ET
Blood pressure and cholesterol are important numbers, but they are not the only ones people should focus on to stay healthy.
31 January 2014, 03:57 PM ET
Every 45 minutes, a child is brought to emergency room in the United States after television tip-over, and about every three weeks, one of those children dies. To prevent TV-related injuries, Feb. 1 was declared National TV Safety Day.
31 January 2014, 02:51 PM ET
Americans facing worsening natural disasters are showing signs of increased mental anguish, say psychologists.
31 January 2014, 01:43 PM ET
Medical alert systems can keep seniors living independently longer with the knowledge that help is only the push of a button away. These systems are important given the danger of falls among older adults.
31 January 2014, 01:38 PM ET
Football fans hoping for a snowy Super Bowl on Sunday may be out of luck, but temperatures for the Big Game could still dip to chilly lows, meaning players and spectators should take care to protect themselves from the wintry conditions, experts say.
31 January 2014, 10:00 AM ET
31 January 2014, 09:20 AM ET
Body odor does change as we age, studies show. In general, odor comes from the breakdown of apocrine sweat by bacteria on the skin.
31 January 2014, 06:19 AM ET
Much of the recent changes in U.S. snacking behavior result from America's altered demographics. Hispanics now make up more than a quarter of the U.S. population, and Hispanic-style foods are expected to be an $11 billion market by 2017.
30 January 2014, 11:58 PM ET
Is surgery a better option than radiation treatment for prostate cancer?
30 January 2014, 06:52 PM ET
The Super Bowl is not just any game — but it's not the only game, either.
30 January 2014, 04:00 PM ET
A short video game may help children understand how to identify the signs of a stroke, and call 911 if they witness one, a new study suggests.
30 January 2014, 02:03 PM ET
The new guidelines about who should take cholesterol-lowering statin drugs have become a source of controversy. Here's a look at what you need to know about the changes to the guidelines.
30 January 2014, 01:00 PM ET
Some health care providers make mistakes while administering the rotavirus vaccine, giving the vaccine as a shot instead of placing drops in the mouth as is required.
30 January 2014, 09:18 AM ET
Are you screaming at the TV? Is your pulse racing when your team is down? Do you get violent during the game? - Here are some tips on making game day more enjoyable.
30 January 2014, 09:15 AM ET
We’ve known for a long time that hypnotic drugs are not good to take at length due to habit-forming issues, now evidence is mounting that they also increase the risk of premature death.
30 January 2014, 09:03 AM ET
The teen years are a good time to establish healthy eating and exercise habits. Here are tips for encouraging your teens to be healthy.
30 January 2014, 12:44 AM ET
Complex numbers are numbers that consist of two parts — a real number and an imaginary number.
30 January 2014, 12:34 AM ET
The gallbladder is a small organ that is used to store bile, which breaks up the fat in food.
30 January 2014, 12:29 AM ET
Atrial fibrillation is a heart condition caused by irregularities in the cardiac electrical signal. The condition can result in stroke or heart failure, but treatment is available.
29 January 2014, 05:26 PM ET
As obesity rates rise, so do the complications of diabetes during pregnancy.
29 January 2014, 05:11 PM ET
There's only one group of people who really know what happens when you die: the dead. And since the dead won't be revealing their secrets anytime soon, it's up to scientists to explain what happens when a person dies.
29 January 2014, 05:04 PM ET
A young girl’s thick back hair was actually a sign of spine problems, according to a new report of the case.
29 January 2014, 05:04 PM ET
Adults with ADHD are more likely to have traffic accidents than people without this condition, but they may be safer on the road if they take medication, according to a new study from Sweden.
29 January 2014, 05:00 PM ET
Kids who are overweight in kindergarten often become obese by the time they're in middle school, a new study finds.
29 January 2014, 04:44 PM ET
The common skin growth called a skin tag, or acrochordon, usually develops in folds of skin and causes little to no harm. Still, these growths can be irritating, and doctors can easily remove them.
29 January 2014, 02:59 PM ET
Candida yeast, producer of diaper rash and thrush, was experimented on in the microgravity environment aboard the International Space Station in 2012. Principal investigator Sheila Nielson-Preiss talks about the findings.
29 January 2014, 02:24 PM ET
Once again, a cruise ship is limping into port carrying hundreds of passengers and crew sickened by norovirus. But what exactly is norovirus, and why does it spread so easily on cruise ships?
29 January 2014, 01:42 PM ET
Spectacular colorized scanning electron micrograph shows Mycobacterium tuberculosis bacteria up close.
29 January 2014, 01:00 PM ET
For some men, taking testosterone may triple the risk of having a heart attack, according to a new study.