Why everyone has brown eyes, even if they appear blue

That's right. All human eyes are brown.As the owner of a sparkling set of deep brown eyes, I see no disappointment in the...

McDonald twins released from hospital

Jadon and Anias McDonald were born sharing 1.5 centimeters of brain tissue and were separated two months ago. CNN's Dr. Sanjay Gupta reports...

'Fake pot' causing zombielike effects is 85 times more potent than...

To learn what had caused this "zombie outbreak," Roy Gerona, a postdoctoral researcher in the clinical toxicology and environmental biomonitoring laboratory at the...

Craig Sager's battle with cancer

"We wish you were here, man. We're gonna try to win this gold for you ... you know you're a part of our...

Old kidneys may be a new answer to organ shortage

"Kidneys from an old donor may be favorably used, particularly in an age-matched patient," said Dr. Luigi Biancone, lead author of the study...

Are statins a key to preventing Alzheimer's disease?

Regular use of statins is associated with a reduced risk for Alzheimer's, according to a study published in the journal JAMA Neurology on...

Separated twins move to rehab after emotional hospital farewell

They lay side by side, Anias in a blue jumpsuit and Jadon in a gray one. They wore specially fitted white helmets, but...

Airline pilots anonymously report suicidal thoughts, study finds

Hundreds of pilots who are currently flying commercial planes may be clinically depressed, according to research published in the journal Environmental Health on...

Group sues FDA over formaldehyde in hair-straightening products

"This is what's called an unreasonable delay suit," said Scott Faber, the group's senior vice president of government affairs. The FDA is "legally...

Is 'phubbing' ruining your relationship?

The U.S. divorce rate hovers at 40 percent, but that's not the whole story. Many intact relationships are on life support. According to...