CNN Health

A new study is the latest to show changes in cardiovascular function after vaping e-liquids, though in this case, those liquids didn't even contain nicotine.

Within the Atlantic Ocean is the world's only sea without shores, its borders defined by the currents of the North Atlantic gyre. The Sargasso Sea takes its name from sargassum, a free-floating golden brown seaweed that is a haven for hatchling sea turtles and hundreds of other marine species who use it to feed, grow and hide from predators. But the sargassum is now home to objects wholly unnatural too.

For people with very high triglycerides, doctors generally recommend exercise and dietary changes, and if that doesn't work, statins, fibrates or niacin. But a new advisory from the American Heart Association says that prescription omega-3 fatty acids can help reduce very high trigylceride levels by 20 to 30%, and the medications can be used safely in conjunction with statins.

1 in 5 children who live in poverty in the US don't have money for school supplies and often go hungry on the weekends. These charities are helping and can use your support.

At least 15 states have identified more than 120 cases of lung disease or injury that could be linked to vaping, a CNN survey of state health departments has found.

A 24-year-old woman has died after contracting Ebola in the South Kivu province in the Democratic Republic of Congo, according to the World Health Organization.

A hotel in downtown Atlanta is reopening its doors to visitors after it closed last month so that health officials could investigate an outbreak of potentially deadly Legionnaires' disease linked to the premises.

Minnesota health officials have identified four cases of severe lung injury that could be connected to vaping, similar to what could be dozens more cases in nearby Wisconsin and Illinois.

Residents and officials in Newark, New Jersey, are trying to determine exactly when lead began leaching into the water supply.

People should stop using the "Miracle" or "Master" mineral solution products sold online as cures for autism, cancer, HIV, hepatitis, flu, acne and a host of other illnesses and diseases, the US Food and Drug Administration warned Monday.

It's raining plastic -- that's what a survey of rainfall in Denver and Boulder, Colorado, concluded recently.

Long-term exposure to air pollution, especially ground-level ozone, is like smoking about a pack of cigarettes a day for many years, a new study says, and like smoking, it can can lead to emphysema.

When humans are habitually exposed to cold water and air, "surfer's ear" can be one of the consequences -- and apparently, the same was true of Neanderthals. But it's less likely that they experienced bony growths in their ear canals due to surfing.

Legionnaires' disease is a serious type of pneumonia caused by the Legionella bacterium, which is found in fresh water, according to the US Centers for Disease Control and Prevention.

Officials in New Jersey's largest city began offering bottled water Monday to residents who may have been drinking tap water contaminated with lead for months or possibly years.