02 July 2015, 07:10 PM ET
A woman in Washington state is the first person to die of measles in the United States in a dozen years, but how did doctors miss her diagnosis.
02 July 2015, 03:32 PM ET
People with colorectal cancer may live longer if they are overweight or obese, rather than thin, a new study finds.
02 July 2015, 02:38 PM ET
The return of Ebola cases to Liberia is worrisome, and raises questions about whether the country was really free of the disease to begin with, experts say.
02 July 2015, 02:05 PM ET
Virginia Tech. Sandy Hook. Charleston. Not only are mass shootings tragedies in their own rights, they appear to be contagious, according to a new study that also found such criminal acts may spread due to sensational media coverage.
02 July 2015, 01:00 PM ET
More than 10,000 people in the United States were monitored for symptoms of Ebola this past fall and winter, according to a new report from the Centers for Disease Control and Prevention.
02 July 2015, 12:00 PM ET
Cancer death rates will continue to decline in the United States through 2020, including death rates from some of the leading cancers in both men and women, a new study says.
01 July 2015, 07:06 PM ET
Placebos can make people feel better, so why not use them?
01 July 2015, 05:27 PM ET
A diabetes drug called liraglutide helps people lose weight, a new study finds.
01 July 2015, 05:13 PM ET
Fireworks get their colors from elements that the human body requires to function.
01 July 2015, 04:10 PM ET
Older women who take statins may experience an increase in their levels of aggressive behavior.
01 July 2015, 02:05 PM ET
The swine flu vaccine was linked with an increase in narcolepsy cases in Europe, and now researchers may have figured out why.
01 July 2015, 11:15 AM ET
The reason that teen gives for using marijuana may be related to their likelihood of using other drugs too.
30 June 2015, 11:50 PM ET
Waking up at night is normal, and it may not effect the quality of your sleep.
30 June 2015, 03:27 PM ET
When women ovulate, their faces get just slightly redder, a new study finds.
30 June 2015, 02:10 PM ET
The Black Death — the dreaded plague that killed millions of people during the Middle Ages — only reached pandemic status after the bacteria that cause it acquired two pivotal mutations, a new study finds.
29 June 2015, 08:08 PM ET
Nearly one in three adults in the U.S. owns at least one gun, according to a new study.
29 June 2015, 07:30 PM ET
More people in Florida get "ciguatera poisoning" every year than previously thought, a new study finds.
29 June 2015, 06:52 PM ET
Sugary drinks cause 184,000 deaths worldwide annually, including 25,000 deaths in the United States, according to a new study.
29 June 2015, 05:17 PM ET
States can still use the sedative drug midazolam in lethal injections, according to today's Supreme Court decision, but how exactly does the drug work, and why do some say that it's unreliable?
29 June 2015, 04:41 PM ET
Women who have experienced a traumatic event may be at increased risk of heart disease even years later, a new study finds.
29 June 2015, 03:00 PM ET
A walk in the woods really can clear your head, a new study finds.
29 June 2015, 03:21 AM ET
Scientists have quantified the speed of light, the speed of sound, the speed at which the Earth revolves around the sun, the speed at which hummingbirds beat their wings, the average speed of continental drift….
29 June 2015, 01:28 AM ET
Parents should fight childhood obesity by improving kids' diet and activity levels at home, new guidelines say.
28 June 2015, 01:05 AM ET
Would you drink second-hand water from a college dorm?
27 June 2015, 02:16 AM ET
Despite the impact hearing aids can have on quality of life, they remain out of reach for too many Americans.
26 June 2015, 11:15 PM ET
Insulin resistance is a condition where the body's cells don't properly respond to the hormone insulin, which tells cells to take in blood sugar and use it for fuel.
26 June 2015, 11:12 PM ET
Testicular cancer — cancer that is found in the testicles — is a rare disease most often diagnosed in men between 15 and 34 years old.
26 June 2015, 05:21 PM ET
The Supreme Court decision that same-sex couples have a right to marry could improve the health of gay, lesbian and bisexual people, experts say.
26 June 2015, 01:11 PM ET
A woman's sex life and her heart rate may be linked, a new study finds.
25 June 2015, 06:59 PM ET
In newborn babies just a few days old, the ability to pay attention may be apparent, new research finds.
25 June 2015, 06:14 PM ET
It's no secret that airports are hubs for germs, but one Minnesota man was particularly unlucky during his travels — he appears to have caught measles simply by passing a sick child while exiting his plane.
25 June 2015, 03:01 PM ET
Breast milk influences the community of bacteria that colonize the gut, but scientists are only now discovering exactly what it does.
25 June 2015, 01:00 PM ET
A diarrhea-causing parasite often transmitted through water is causing an increasing number of outbreaks in the United States linked with pools
25 June 2015, 12:06 PM ET
The flu shot didn't work so great this past season, and now researchers say they know why.
25 June 2015, 06:52 AM ET
Weighing yourself daily and tracking your weight over time may help you accomplish your weight loss goals, according to a new study.
24 June 2015, 06:54 PM ET
Don't toss out your multivitamins just yet, but there's growing evidence that vitamin B12 supplements could contribute to some people's acne