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As people's health waxes or wanes because of stress or disease, their intestinal ecosystems change, too. It may be possible someday to diagnose disease by analyzing the gas the microbes make.

The spill on Wednesday sent heavy metals, arsenic and other contaminants into a waterway that flows into the San Juan National Forest. Estimates of the spill's size have risen sharply since then.

COVID is surging, but new vaccines have been approved. Here’s what to know

Traditional methods for containing the Ebola outbreak aren't working fast enough. So some scientists want to bypass the typical trial phases and bring new vaccines directly to people at risk.

Indianapolis Zoo and Eli Lilly are part of a push to move medical industry away from using horseshoe crab blood and towards synthetic genetically engineered alternatives.

Months in prison didn’t rid Daryl of his addiction to opioids.“Before I left the parking lot of the prison, I was shooting up getting high,” he says.Daryl…

A new study shows alcohol use increased during the pandemic for those 21 and older, but finding treatment can be a challenge.

The next president will face decisions on drug price negotiations, enhanced subsidies for Affordable Care Act plans and medication abortion among other issues. Here's where the candidates stand.

Young kids who don't get enough shut-eye, or who are noisy breathers when they doze, are more likely to have weight issues as adolescents, a British study suggests.

Lots of children have smartphones tucked under the pillow or on the nightstand. That may be enough to compromise sleep and make children feel less rested, a study finds.