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Articles on Public health

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Regular physical activity helps to prevent and manage many chronic diseases. Amorn Suriyan/Shutterstock

Children and teens aren’t doing enough physical activity - new study sounds a health warning

Factors such as having supportive family and friends, safer communities, positive school environments and adequate resources, are often associated with more physical activity.
XBB.1.5 is rapidly spreading across the globe and will likely become the next dominant COVID-19 subvariant. (Shutterstock)

FAQ on COVID-19 subvariant XBB.1.5: What is it? Where is it prevalent? How does it differ from Omicron? Does it cause serious illness? How can I protect myself? Why is it nicknamed ‘Kraken’?

The XBB.1.5 subvariant — nicknamed ‘Kraken’ — is arguably the most genetically rich and most transmissible SARS-CoV-2 Omicron subvariant yet.
Exposed lakebed at the Salton Sea on Dec. 29, 2022. RJ Sangosti/MediaNews Group/The Denver Post via Getty Images

Human actions created the Salton Sea, California’s largest lake – here’s how to save it from collapse, protecting wild birds and human health

Fifty years ago, the Salton Sea was a draw for boaters and fishermen; today it’s an ecological time bomb. Two water experts who served on a state review panel describe its proposed rescue plan.
Fifteen years after Jordan Manners was killed in a Toronto school, Canada’s largest city is still struggling to curb youth violence. (Shutterstock)

How can we slow down youth gun violence? — Podcast

Youth violence hasn’t let up in Toronto. In fact, it’s getting worse. Community members say it’s a major problem that needs a more holistic solution.
A virology lab researcher works to develop a test that will detect the P.1 variant of the coronavirus, in São Paulo, Brazil, in March 2021. (AP Photo/Andre Penner)

Why we need open-source science innovation — not patents and paywalls

In open-source endowed research positions, professors release all of their intellectual property. Surveys of academics in the U.S. and Canada find most like the idea.
Drug patents don’t necessarily spur companies to innovate so much as restrict access to their IP. Andrii Zastrozhnov/iStock via Getty Images Plus

Pharma’s expensive gaming of the drug patent system is successfully countered by the Medicines Patent Pool, which increases global access and rewards innovation

The Medicines Patent Pool was created to promote public health, facilitating generic licensing for patented drugs that treat diseases predominantly affecting low- and middle-income countries.

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