CNN Health

Use of screen time explodes between 12 months and three years in the United States, and most Canadian preschoolers between the ages of two and three are not meeting World Health Organization recommendations for appropriate use of television, computers and other screens, according to two new studies published Monday in JAMA Pediatrics.

More than a thousand surgical patients at Goshen Hospital in Indiana may have been exposed to HIV, hepatitis C and hepatitis B after an error in the sanitizing procedure for surgical equipment, according to a press release from Goshen Health.

If you're hosting Thanksgiving festivities this year, it's time to check your pantry and fridge. Federal health officials are warning people to avoid some foods due to a series of issues -- from E. coli to lack of inspection.

CNN Health's Jacqueline Howard offers tips on how to store and repurpose holiday leftovers, including cranberries and sweet potatoes.

A 63-year-old man in Germany has died after contracting a rare infection when he was licked by his dog.

Spanish for "beautiful hill," Loma Linda, California is nestled between mountain peaks in the middle of the San Bernardino Valley. The city is known as an epicenter of health and wellness, with more than 900 physicians on the campus of Loma Linda University and Medical Center.

President Donald Trump's unannounced visit to Walter Reed National Military Medical Center last weekend spurred speculation about his health from the public, and from doctors. In a statement late Monday night, the White House doctor said that the President underwent "a routine, planned" checkup and attributed "scheduling uncertainties" for keeping the trip off the record.

A company is recalling more than half a million pounds of pork products because they were not inspected, officials said.

Well, let's see ...

While a national policy on vaping is yet to be seen, the White House held a wide-ranging meeting on Friday to examine the issue of increases in youth vaping and the outbreak of vaping-related lung injuries currently sweeping the United States. Within minutes, the session turned contentious.

A total of 40 people in 16 states have been infected by the outbreak.

A 17-year-old boy in Canada has been treated for a life-threatening popcorn lung-like illness after vaping flavored e-liquids and THC -- the main psychoactive component of cannabis.

Australia's federal court ruled that Johnson & Johnson misled patients and doctors as to the risks of pelvic mesh implants and rushed their products to market without adequate clinical trials or risk assessments.

There were 2,290 cases of lung injury linked to vaping as of November 20, the US Centers for Disease Control and Prevention said on Thursday.

An outbreak of hepatitis A in Indiana, Nebraska and Wisconsin has been "potentially linked" to blackberries from the Fresh Thyme chain of grocery stores, authorities say.

Nature does the body good. And a sprawling new analysis of more than 8 million people suggests that to boost residents' longevity, cities should get a lot less gray and a lot more green.

After an E. coli outbreak infected at least 17 people, a food company has decided to recall more than 75,000 pounds of salad products.

Visualize touching your sweetheart's face on the screen of your laptop and seeing a reaction to your touch in real time, even though you are miles apart. Suddenly, you feel a touch on your face.

Anal cancer cases and deaths are rising dramatically in the United States, especially among older people and young black men, a new study says.

Months after a mold infection killed a pediatric patient at Seattle Children's Hospital, its CEO has revealed that five more patients have died from the same infection since 2001.