31 December 2015, 03:45 PM ET
Do people who use legal marijuana drink less or more alcohol? The answer, it turns out, is complicated, a new study finds.
31 December 2015, 10:37 AM ET
If you want to stick to your New Year's resolutions, psychologists find that questioning your behavior, not stating your intentions, will help you out.
31 December 2015, 08:18 AM ET
A lot of health indicators suggest that Americans are on the road to better health.
30 December 2015, 08:14 AM ET
The numbers on the scale aren't going down, but the number of Americans who say they want to lose weight is.
30 December 2015, 08:12 AM ET
Here is our annual countdown of the "top five" scientific retractions in the last year, some serious, most comical.
30 December 2015, 08:10 AM ET
On New Year's Day on Brooklyn, New York's Coney Island beach, the sound of chattering teeth will fill the air, as thousands of people gather for a ceremonial wintry dip in the Atlantic Ocean.
29 December 2015, 04:15 PM ET
Small outbreaks of the plague still occur in the western United States, and now new research shows these clusters don't happen at random. Instead, they tend to pop up in areas that have certain mix of climates, animals and elevation, a new study finds.
29 December 2015, 07:35 AM ET
Here is a roundup of what scientists learned about marijuana during 2015.
24 December 2015, 12:58 AM ET
Youth sports are not the biggest risk kids face, so should those activities be banned?
23 December 2015, 03:23 PM ET
Gluten refers to the proteins found in wheat endosperm. Some people are gluten-intolerant, but a gluten-free diet is not for everyone.
23 December 2015, 02:04 PM ET
Blocking a molecule in the uterus could delay or even halt premature birth, the leading cause of death and disability of newborns worldwide, according to a new study in rodents.
23 December 2015, 06:46 AM ET
The number of twin births is on the rise in the U.S.
23 December 2015, 12:56 AM ET
Why are girls less likely to be diagnosed with autism?
22 December 2015, 10:28 PM ET
A pet rat leads to a hospital stay.
22 December 2015, 05:07 PM ET
Babies born with a low birth weight who are regularly held by their mothers skin-to-skin — or "kangaroo style" — may have a lower risk of dying prematurely, according to a new analysis of previous research.
22 December 2015, 11:07 AM ET
The Gulf of Mexico got a taste of the "red tide" earlier this month, and beaches all along the Gulf Coast were closed to keep people safe from potential health risks.
21 December 2015, 06:31 PM ET
When are tots old enough for tech?
21 December 2015, 05:13 PM ET
This flu season will likely not peak until February, and could be a mild one, according to a new model that aims to forecast flu in the United States this winter.
21 December 2015, 10:04 AM ET
The mayor of Flint, Michigan, declared a state of emergency last week after elevated levels of lead were detected in the city's drinking water. Here's a look at what lead does to the body.
18 December 2015, 04:26 PM ET
Putting up Christmas lights is part of the holiday tradition for many people, but it turns out that falls during installation can sometimes lead to serious or even deadly injuries, a recent study suggests.
18 December 2015, 01:40 PM ET
It's time for teens to stop tanning.
18 December 2015, 01:03 PM ET
Several new genes linked to an exceptionally long life have been discovered, according to a new study that examined the genomes of people living into their 100s, known as centenarians.
17 December 2015, 11:59 PM ET
Fat gets a bad rap, but including it in your diet is important for good health.
17 December 2015, 09:37 PM ET
Nutrients found in cocoa may improve the heart health, a new study of patients with advanced kidney disease finds.
17 December 2015, 05:37 PM ET
Could treating camels help humans?
17 December 2015, 04:15 PM ET
For the first time, researchers find that a compound in some red wines and olive oils can interfere with gut microbes in ways that could potentially help to prevent heart disease in humans.
17 December 2015, 12:41 PM ET
Young padawans learn to use the force in lightsaber fitness classes.
17 December 2015, 11:38 AM ET
Traumatic brain injuries have been detected in 94 percent of subjects though a blood test developed by Orlando Health. According to NIH-funded research, the sensitive test potted signs of trauma not seen on CT scans.
16 December 2015, 06:30 PM ET
Why are there more mustaches in top medicine jobs than women?
16 December 2015, 05:00 PM ET
The small number of people in the U.S. who contracted Ebola have all experienced complications from the disease after they recovered, including hair loss, joint pain and eye problems, according to a new report.
16 December 2015, 02:39 PM ET
A tongue-in-cheek medical journal article takes a spooky tone with its metaphor for infectious disease.
16 December 2015, 02:00 PM ET
Intermittent fasting, or fasting just a few days a week, was initially decried by health experts as unhealthy. But new studies show it might not be so bad.