26 February 2016, 12:11 AM ET
Opioids are powerful painkillers but they can be dangerous with misuse.
25 February 2016, 06:29 PM ET
Much like a piece of ripe fruit, a human embryo has a certain squishiness that could provide fertility clinic staff with clues about its viability, a new study finds.
25 February 2016, 03:27 PM ET
A stillborn baby in Brazil showed evidence of a Zika virus infection, a new report says.
25 February 2016, 01:36 PM ET
New CDC report finds 30.1 percent of Americans reported drinking a sugary beverage once a day in 2013, down from 50.6 percent in 2010.
25 February 2016, 01:06 PM ET
Want to live healthier? Here's the best science on how to do it.
25 February 2016, 10:58 AM ET
A new class of wearables wants to move beyond tracking the physical to tracking the mind. These brain wearables claim to be able to help you improve your focus and detect stress. Or, play video games with your brain.
24 February 2016, 10:19 PM ET
Mercury is a naturally occurring chemical, but it can become harmful when it enters the food chain.
24 February 2016, 08:15 PM ET
For people who survived Ebola during the world's largest outbreak of the viral disease, the effects of the virus may still linger.
24 February 2016, 05:30 PM ET
If you're traveling to a state where marijuana is legal, make sure you know the side effects.
24 February 2016, 04:14 PM ET
Where's the best place to live when it comes to well-being?
24 February 2016, 04:11 PM ET
How healthy are the residents of your town? Find out where your city ranks.
24 February 2016, 02:58 PM ET
Autism screening is critical, and must continue, argues autism expert Alycia Halladay.
24 February 2016, 02:00 PM ET
Fat burning zone, cardio zone — what do these heart rate numbers actually mean?
24 February 2016, 01:24 PM ET
People may select partners who share certain traits with them, researchers said.
24 February 2016, 09:30 AM ET
Here's how to get back into exercise after giving birth.
24 February 2016, 12:01 AM ET
The rates of death from a number of maladies, including heart disease, stroke and Alzheimer's, were higher in 2015 than in 2014, a new report finds.
23 February 2016, 06:50 PM ET
How does a doctor know when a person is brain dead?
23 February 2016, 06:30 PM ET
The jury's still out on the safety of this simple procedure.
23 February 2016, 05:51 PM ET
Travelers returning from countries with known Zika virus outbreaks should practice safe sex, according to the CDC.
23 February 2016, 05:43 PM ET
History buffs know that Adolf Hitler had an undescended testicle, but a new review of his medical records suggests that der Führer also had other genital problems, including a condition called a micropenis.
23 February 2016, 03:17 PM ET
Fight sugar with sugar? A new study in mice suggests it might work.
23 February 2016, 12:28 PM ET
Tracking your diet can be complicated. Or not.
23 February 2016, 12:17 PM ET
As "smart" electronics get smaller and softer, scientists are developing new medical devices that could be applied to — or in some cases, implanted in — our bodies.
23 February 2016, 11:42 AM ET
Two men who were identical twins both suffered heatstroke -- on a relatively cool day -- while running in the London Marathon. It was more than a coincidence.
22 February 2016, 07:56 PM ET
Human papillomavirus (HPV) infections are the most common sexually transmitted infection in the United States.
22 February 2016, 05:17 PM ET
Blood from an Ebola survivor combined with a new technique for isolating immune cells may hold promise for treating the deadly virus.
22 February 2016, 04:41 PM ET
Impatient people may have cells that "look older," by one measure of cell aging, according to a new study.
22 February 2016, 04:22 PM ET
Sleep disorders that seem more at home in horror films than in your bedroom.
22 February 2016, 01:53 PM ET
Just a bit of weight loss can pack a big health punch.
22 February 2016, 07:00 AM ET
Here's how to put on pounds without putting your health at risk.
22 February 2016, 01:39 AM ET
The prevalence of cancer-causing human papillomavirus (HPV) among teenage girls in the United States has dropped by more than 60 percent since the vaccine against it was introduced, researchers say.
19 February 2016, 11:58 AM ET
Thinking too hard about learning something could make the behavior less automatic.