CNN Health

Americans will need to cut their average consumption of beef by about 40% and Europeans by 22%, for the world to continue to feed the 10 billion people expected to live on this planet in 2050, according to a new report.

Adult smokers who vape are more likely to quit using cigarettes, according to a study released Monday. But e-cigarettes also increase the risk of relapse in some former smokers, the researchers found.

The Ebola virus has reached the Congolese city of Goma, a major transit hub that is home to more than 1 million people on the Rwandan border.

The Trump administration has agreed to allow a Stanford University pediatrician to conduct an independent investigation into health conditions for migrant children at US Customs and Border Protection facilities.

Two experimental Ebola drugs have been found to be effective in treating the strain of the deadly virus responsible for the deaths of more than 1,600 people in the Democratic Republic of Congo, according to new research published Tuesday.

The Smithsonian's National Museum of American History has inquired about obtaining disturbing drawings by migrant children that depict figures with sad faces behind bars.

Pediatricians shared disturbing images drawn by migrant children who were recently separated from their parents while in US Customs and Border Protection custody. The drawings show people behind bars and in cages. The pictures were drawn last week by three children, ages 10 and 11, at Catholic Charities Humanitarian Respite Center in McAllen, Texas, after being released by CBP.

A senior government official said he is proud of the medical care being given to migrant children in the custody of US Customs and Border Protection.

Jen Principe and Toni Musso were stuck in traffic when they spotted a man standing on the ledge of a highway overpass. They called 911, and drove off. Then, Principe remembered Kevin Hines' story and immediately turned around.

A new study on Juul-related Instagram posts makes the case for stricter regulation on e-cigarette marketing -- especially when it comes to social media sites popular with younger crowds.

Pediatricians who have volunteered to work with migrants in El Paso, Texas, are walled off from any contact with "whoever is providing the medical care to these individuals" in government run migrant detention centers, pediatrician Dr. Carlos Gutierrez said Tuesday.

By the time Dr. Roberto "Bert" Johansson saw the toddler in the emergency room, she was vomiting, feverish, dehydrated and desperately ill with acute gastroenteritis.

After her first knee replacement surgery, Kathy Meares was told that she could never run again. She was 36 years old and an avid runner. Meares was devastated.

An undercover operation in California found that half of tobacco and vape shops failed to check IDs for teens purchasing e-cigarettes and other nicotine products, despite a state law raising the legal age for purchasing tobacco products to 21.

San Francisco will become the first US city to effectively ban e-cigarette sales, after the city's board of supervisors voted in favor of an ordinance Tuesday.

Great athletes not only have heart, they have guts -- special guts. Boston Marathon runners and Olympic athletes have higher than usual amounts of Veillonella bacteria in their digestive tract following races, a new study finds. When mice consumed the Veillonella, their treadmill runs were better than those of mice not given the same bacterial diet, according to new research published Monday in the journal Nature Medicine.

One in five adults in the US lives with a mental health problem according to the National Institute of Mental Health, but most don't seek out professional help. That's where Mental Health First Aid - an eight-hour workshop - hopes to fill the gap.

When Ebola first struck this city of more than a 100,000 people last September, many here didn't believe it was real.

Marine Justin Blazejewski rolls out his yoga mat over a dock floating along the banks of the Potomac River. It's a sunny weekday morning inside the DC beltway, where he lives and works as a military contractor.