CNN Health

When men think of undergoing a vasectomy, they might have a few concerns: fears of pain, worries it won't work and concerns about their sex life afterward.

The off-duty police officer who stopped a stabbing attack in a Minnesota mall is avoiding the spotlight.

Maybe your grandfather always said his body could predict the weather better than the TV weatherman. Maybe you've noticed how your old sports injury seems to act up whenever it rains.

Stem cells have the potential to divide and develop into many different cell types in the body. They are so enchanting and so promising -- they may help paralyzed patients regain use of their limbs or help the nearly blind to see -- that they have Food and Drug Administration officials scratching their heads.

Where were you on Sept. 11 when you first heard that a plane had hit the North Tower of the World Trade Center?

A terminally ill minor has become the first child to be euthanized in Belgium since age restrictions were lifted in the country two years ago, according to several sources.

A beloved high school teacher whose students gathered outside his window to serenade him has died after a battle with cancer.

The Zika virus transmission zone in Miami Beach has tripled in size, Florida Gov. Rick Scott announced Friday night.

Brain cancer has surpassed leukemia as the deadliest cancer for children and teens in the United States, new federal data show.

Anna Young knew that if she wanted to run her first half-marathon since giving birth in April, she'd have to stop to pump her breast milk along the way.

It was a well-intentioned attempt to show the disturbing effects of drug addiction, a common strategy among law enforcement agencies.

Sara Murray tends to two dozen babies in the neonatal therapeutic unit at Cabell Huntington Hospital. They shake. They vomit. Their inconsolable, high-pitched screams pierce the air. The symptoms can last for hours, days or months.

Republican presidential nominee Donald Trump said today that he's not in favor of requiring a prescription to purchase birth control. In a taped interview on "The Dr. Oz Show," Trump said, "I would say it should not be a prescription; it should not be done by prescription."

On the very first episode of the MTV reality series "Teen Mom," back in 2009, the cameras were rolling as Catelynn, one of the girls on the show, talked to her doctor about birth control. She made the decision to get a Mirena intrauterine device, known as an IUD; it's more than 99% effective in preventing pregnancy and lasts for five years.

On a warm summer evening in Dallas, one teenage football quarterback melted hearts with his selfless act.

Remember in July when everyone was super obsessed with Pokemon Go and it seemed like nothing, not even general road safety, could stop people from playing?

Cancel your weekend plans, because kissing chickens is off the table.

In a crackdown on the e-cigarette industry, the Food and Drug Administration has issued warning letters to dozens of retailers that violated new rules by selling e-cigarettes, hookah tobacco and other tobacco products to minors.