About 40% of dementia cases could be prevented or delayed by healthy lifestyle choices and preventive medicine. Here's a tool to gauge your brain care and track your progress.

The Foldscope brings a powerful science tool to schools that can't afford microscopes. Scientists use it too. Its creators have handed out 2 million units, including a new mini-model for younger kids.

The federal government has allocated $1.15 billion so far on long COVID research, without bringing any new treatments to market. Patients and scientists say it's time to push harder for breakthroughs.

Negotiations over a U.N. treaty to cut plastics have been bogged down. Environmental groups blame the oil and gas industry.

Keep these science-backed stress busters in your back pocket this holiday season. Whip 'em out the next time you're at a table full of bickering in-laws or your flight gets canceled!

Florida's surgeon general, Dr. Joseph Ladapo, cited developmental concerns from higher levels of fluoride than are found in most U.S. water supplies.

In a flurry of picks on Friday evening, Trump named three choices for top health jobs. Together they would help the incoming president shift the priorities of agencies that are key to public health.

The cases appeared in California, Illinois, New Jersey and New York between July 31 and Oct. 24, the CDC said. Nine out of the 11 infected individuals were hospitalized.

Over 12 million cases of dengue fever were reported in 2024, the most ever. A study suggests climate change has likely played a significant role in the disease's expansion.

Republicans spent $222 million on anti-trans and LGBTQ advertising in the campaign. Various policy initiatives are on the incoming administration's to-do list.

The celebrity doctor recently held investments worth tens of millions of dollars in health care, tech, and food companies which could pose significant conflicts of interest.

Since the Taliban took power 2021, Afghanistan has not been invited to big climate conferences. And money for projects addressing climate-related issues has been frozen. Are things about to change?

The Minnesota Department of Agriculture alerted federal authorities about several illnesses in the past week.

In a letter, the state’s public health commissioner said the action was taken because “confidential information provided to the Maternal Mortality Review Committee was inappropriately shared with outside individuals.”

The report also presents opportunities for Georgia to further improve survival by increasing access to lung cancer screening, which can detect the disease at an earlier stage when it's more curable, and biomarker testing, which can help influence treatment options because not all lung cancers are the same.