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Counting steps is easy using a phone, a wearable or fitness tracker. And scientists have lots of data to figure out how many daily steps you need to improve health. Here's what they've found.
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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! -
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 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. -
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. -
Florida's surgeon general, Dr. Joseph Ladapo, cited developmental concerns from higher levels of fluoride than are found in most U.S. water supplies. -
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? -
More than a dozen Southern California retailers were sued by the San Diego City Attorney's Office.
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