CNN Health

Carbon dioxide emissions are expected to reach another record high this year, an annual report from the Global Carbon Project found Wednesday, but the pace of growth has slowed.

How many of us have our best ideas on the toilet?

US Health and Human Services Secretary Alex Azar announced the launch of a national program to provide free HIV-prevention drugs to uninsured Americans at risk of HIV. "Ready, Set, PrEP" will provide about 200,000 Americans annually access to PrEP medications -- daily pre-exposure prophylaxis pills for the prevention of HIV. To qualify for the program, participants must test negative for HIV, have a valid prescription for the medication and not have any prescription drug coverage.

Doctors at Duke University Medical Center performed the first donation after circulatory death heart transplant on an adult in the United States on December 1.

When Donna Bonin's 13-year-old son recently came down with a sky-high fever, she thought to herself: This can't be the flu. It's November.

Want to live a long, healthy life? So do I. That's why for the past 15 years I've explored places around the world where people have done exactly that — places I dubbed "blue zones." And I'm convinced that the foods the people in these areas eat are a big part of their secret.

Seattle Children's Hospital knew for years that a mold infestation in its facilities could be related to its air-handling system, but "engaged in a cover-up" that sickened many patients and resulted in the deaths of six children, according to a class-action lawsuit filed Monday.

New York City has surpassed a major goal against HIV/AIDS two years ahead of schedule, city officials announced Monday.

Women are at risk of giving birth early due to warmer temperatures brought on by the climate crisis, a new study finds.

Nearly a quarter of young adults and a fifth of adolescents in the United States have prediabetes, according to a study published Monday in the journal JAMA Pediatrics.

High school students in states that require universal background checks on all prospective gun buyers are less likely to carry guns compared to students in states that require background checks only on sales through federally licensed firearms dealers, according to a study published Monday in the medical journal Pediatrics.

The government of Samoa will shut its doors Thursday and Friday and redeploy civil servants to help deal with a deadly measles outbreak, Prime Minster Tuilaepa Lupesoliai Sailele Malielegaoi announced in a special address Monday.

Of the nearly 38 million people living with the disease worldwide, only about 24.5 million have access to treatment therapies, according to UNAIDS.

A Kentucky company is recalling bacon and ready-to-eat turkey products over misbranding and undeclared allergens.

On June 24 at 11:34 AM, Michael Sonn became a part of medical history.

CNN's Elizabeth Cohen speaks with researchers who are working to modernize the current process of making flu shots and develop a universal flu vaccine.

Like an inbox filled with emails about Black Friday sales, the one thing you can count on the day after Thanksgiving is a fridge packed with leftovers.

The convictions of four former top executives of Insys Therapeutics, an Arizona-based pharmaceutical company which made the powerful opioid Subsys, have been partially overturned by a federal judge in Boston.

Americans weigh more this decade than they did last decade, but fewer adults say they want to lose weight.

As a physician, I have helped to care for many patients and families whose lives have been turned upside down by serious illnesses and injuries.