CNN Health

Life expectancy in the United States has dropped again following last year's decline, which marked the first downturn in more than two decades.

"I had come home from a run and was sitting down on my couch to eat dinner, and I heard a gunshot go off inside my head," Sarah Stream says. On that October day in 2009, she was 15 years old and just six weeks into her sophomore year of high school.

The US Food and Drug Administration has approved a gene therapy treatment for patients with a rare inherited eye disease.

You can go blind from dermal fillers? Though they're extremely rare cases, a new paper sheds light on what can go wrong with minimally invasive filler injections, which are on the rise.

It had already become the world's biggest cholera outbreak in recent history, but now the number of suspected cholera cases in Yemen since April has hit 1 million, and at an incredibly fast speed.

The longest known frozen human embryo to result in a successful birth was born last month in Tennessee.

Our family, like yours, has all kinds of rituals we perform with our children. Some are handed down. Most we started. A few may live on for our future (and hypothetical) grandkids. These are the activities "our family does."

If you're counting calories, a glass of wine might be your alcoholic beverage of choice, as it's a lighter option than many other mixed drinks.

More than 63,600 lives were lost to drug overdose in 2016, the most lethal year yet of the drug overdose epidemic, according to a new report from the National Center for Health Statistics, part of the US Centers for Disease Control and Prevention.

In the world of forensic pathology, there's a morbid truism: Bodies are evidence, and you need a body in order to fully examine a death.

Ever wonder how Rudolph could genetically develop a glowing red nose? Or how Ebenezer Scrooge could really travel into the future?

Who brings children gifts at during the winter holidays -- and what those gifts are -- depends on where you live. Here's how children celebrate heartwarming holiday gift traditions around the world.

There's no denying the joys of the holidays, but with all the shopping, parties and family visits, it's easy to get overwhelmed by emotional and physical stressors. Trust me, I know the feeling!

The US government on Tuesday lifted a ban on making lethal viruses, saying the research is necessary to "develop strategies and effective countermeasures against rapidly evolving pathogens that pose a threat to public health."

LGBQ teens are more vulnerable to planning or attempting suicide, according to a research letter published Tuesday in the journal JAMA.

LGBQ teens are more vulnerable to planning or attempting suicide, according to a research letter published Tuesday in the journal JAMA.

The US Food and Drug Administration plans to go after homeopathic remedies that are unsafe for consumers and offer unproven benefits in the treatment of serious illnesses, such as cancer and asthma, the agency announced Monday.

Sen. John McCain returned to Arizona on Sunday to continue recovering from the side effects of chemotherapy for an aggressive type of brain cancer called glioblastoma.

Every year, millions of Americans get sick with the flu. While the vast majority of people will recover without any serious complications, not everyone is so lucky.

Santa Claus is coming to town -- or so about 85% of young American children believe.