CNN Health

The Amazon, the largest rainforest in the world, roughly half the size of the United States, is key to the health of the entire planet. Its trees produce an estimated 20% of the world's oxygen, while putting an enormous amount of water into the atmosphere at a time when cities are drying up. The Amazon is sucking in carbon and greenhouse gases while slowing the rising temperatures. But it's now burning at a record rate -- with images from space showing the smoke covering much of Brazil.

In a landmark decision, an Oklahoma judge on Monday ordered pharmaceutical giant Johnson & Johnson to pay $572 million for its role in the state's opioid crisis.

It's the morning of the biggest ruling of his life, and Judge Thad Balkman is driving his 14-year old son Harrison to middle school.

There are currently 93,000 people in the United States on a waiting list for a donated kidney, yet at least 3,500 donated kidneys are discarded every year, according to a study published Monday in the journal JAMA Internal Medicine.

In May 2018, Jared Sklar's wake-up call was waiting for him when he got home from work. He opened the fridge and saw four different pizza boxes from four different restaurants.

Every 8 minutes someone dies from an accidental drug overdose. Most of the time, it's from fentanyl.

Positive, upbeat, optimistic thinking can add years to life, a new study says, including living to age 85 and beyond.

Laurie Sylvia, the fourth person in Massachusetts infected with Eastern equine encephalitis (EEE) since the beginning of August, has died.

Green-blue blooms of toxic algae have been discovered in three New York City parks this past month, according to a state environmental website.

Four people face charges in the deaths of 12 nursing home residents who were exposed to extreme heat following Hurricane Irma in 2017, a lawyer connected to the case told CNN on Monday.

The judge presiding over the historic Oklahoma opioid trial will deliver his ruling Monday afternoon -- a decision that could have sweeping implications as other states and communities try to hold pharmaceutical companies responsible for the opioid epidemic that has killed hundreds of thousands of Americans since 2000.

Pancreatic cancer is the third-leading cause of death from cancer in the United States, after lung and colorectal cancers, according to the National Cancer Institute.

About this time every year, there are news reports about student athletes who collapse during practice while getting ready for a big game. Heat illness can lead to death and injury among athletes, and a new report examines why the risk could be rising.

Illinois health officials announced on Friday the death of a person who had vaped and later developed a severe respiratory illness. The death comes amid reports of a growing numbers of lung illnesses across the country that doctors say could be connected to e-cigarettes.

CNN's Elizabeth Cohen reports on a new daycare that has opened in West Virginia to support babies that were born exposed to drugs, as locals struggle to find solutions to the opioid crisis.

Swedish retail giant H&M has joined forces with South African brand Mantsho, in its first ever collaboration with an African designer.

Joseph Kalu makes his way on his motorbike past the frustrated motorists blaring their car horns in the heavy traffic in Lagos, Nigeria's commercial nerve center.

7-week-old Oliveah just started daycare, and when she cries, her teachers ask all the usual questions: Is she hungry? Does she need a diaper change? Is she coming off of opioids?

Despite outbreaks of flu, tuberculosis and chicken pox, US Customs and Border Protection refuses to tell the public how many migrants in detention facilities have contagious diseases.

A deadly strain of salmonella that has sickened more than 250 people may not respond to the antibiotics commonly prescribed to treat the foodborne infection, according to the US Centers for Disease Control and Prevention.