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The Conversation USA

Health headlines can be confusing - these 3 questions can help you evaluate them

  • Written by Kimberly Johnson, Professor of Public Health, Washington University in St. Louis
imageHealth-related studies often yield conflicting results, and making sense of them can be challenging. Jose Luis Pelaez/Stone via Getty Images

Every week of 2025 seems to bring a new health headline, whether it’s about climbing autism rates, changing vaccination recommendations or unexpected cancer risks.

For people trying to make informed...

Read more: Health headlines can be confusing - these 3 questions can help you evaluate them

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  1. People abused by intimate partners have worse asthma – but researchers are still untangling the reasons behind this surprising link
  2. The Jew in King Shaka’s court: How a 19th-century castaway shaped a Zulu leader’s legacy
  3. Trump’s ability to counter Netanyahu’s spoiler tactics in public may have been key to advancing a ceasefire in Gaza
  4. US squeeze on Venezuela won’t bring about rapid collapse of Maduro – in fact, it might boomerang on Washington
  5. 4 urgent lessons for Jamaica from Puerto Rico’s troubled hurricane recovery – and how the Jamaican diaspora could help after Melissa
  6. Voters lose when maps get redrawn before every election instead of once a decade − a trend started in Texas, moving to California and likely spreading across the country
  7. ‘Night of the Living Dead’ helped me process the Tree of Life massacre and other real-world horrors
  8. Beware the Anglo-Saxons! Why Russia likes to invoke a medieval tribe when talking about the West
  9. ‘My gender is like an empty lot’ − the people who reject man, woman and any other gender label
  10. Atorvastatin recall may affect hundreds of thousands of patients – and reflects FDA’s troubles inspecting medicines manufactured overseas
  11. What both sides of America’s polarized divide share: Deep anxieties about the meaning of life and existence itself
  12. Where does human thinking end and AI begin? An AI authorship protocol aims to show the difference
  13. Signature size and narcissism − a psychologist explains a long-ago discovery that helped establish the link
  14. With more Moon missions on the horizon, avoiding crowding and collisions will be a growing challenge
  15. Water bears survive cosmic radiation with one DNA-protecting protein – learning how could boost human resilience, too
  16. How autism rates are rising – and why that could lead to more inclusive communities
  17. Polarizing political events are leading Americans to increasingly call for a national divorce
  18. Nuclear-powered missiles: An aerospace engineer explains how they work – and what Russia’s claimed test means for global strategic stability
  19. Why are 4.7 million Floridians insured through ACA marketplace plans, and what happens if they lose their subsidies?
  20. Rediscovery of African American burial grounds provides long-overdue opportunities for collective healing
  21. Trump’s anti-Venezuela actions lack strategy, justifiable targets and legal authorization
  22. SNAP benefit freeze will leave millions nationwide struggling to pay for food – including 472,711 people in Philadelphia
  23. US leaders view China as a ‘pacing threat’ − has Washington enough stamina to last the race?
  24. Hurricane Melissa turned sharply to devastate Jamaica − how forecasters knew where it was headed
  25. Washington state settles controversy over child abuse law that tested the limits of ‘priest-penitent’ privilege
  26. How Hershey’s chocolate survived an attack from Mars − and adopted a business strategy alien to its founder
  27. CDC’s ability to prevent injuries like drowning, traumatic brain injury and falls is severely compromised by Trump cuts
  28. Agricultural drones are taking off globally, saving farmers time and money
  29. More than 40 years after police killed Eleanor Bumpurs in her Bronx apartment, people still #sayhername
  30. Fed struggles to assess state of US economy as government shutdown shuts off key data
  31. Fed lowers interest rates as it struggles to assess state of US economy without key government data
  32. Why you can salvage moldy cheese but never spoiled meat − a toxicologist advises on what to watch out for
  33. Future of nation’s energy grid hurt by Trump’s funding cuts
  34. Solar storms have influenced our history – an environmental historian explains how they could also threaten our future
  35. The Glozel affair: A sensational archaeological hoax made science front-page news in 1920s France
  36. AI reveals which predators chewed ancient humans’ bones – challenging ideas on which ‘Homo’ species was the first tool-using hunter
  37. How the Philadelphia Art Museum is reinventing itself for the Instagram age
  38. AI chatbots are becoming everyday tools for mundane tasks, use data shows
  39. Children learn to read with books that are just right for them – but that might not be the best approach
  40. Why the Trump administration’s comparison of antifa to violent terrorist groups doesn’t track
  41. Xi-Trump summit: Trade, Taiwan and Russia still top agenda for China and US presidents – 6 years after last meeting
  42. How the explosion of prop betting threatens the integrity of pro sports
  43. The Trump administration’s anti-immigrant housing policy reflects a long history of xenophobia in public housing
  44. An Indigenous approach shows how changing the clocks for daylight saving time runs counter to human nature – and nature itself
  45. AI is changing who gets hired – what skills will keep you employed?
  46. Despite naysayers and rising costs, data shows that college still pays off for students – and society overall
  47. Woven baskets aren’t just aesthetically pleasing – materials science research finds they’re sturdier and more resilient than stiff containers
  48. What’s the difference between ghosts and demons? Books, folklore and history reflect society’s supernatural beliefs
  49. Trump’s ‘golden age’ economic message undercut by his desire for much lower interest rates – which typically signal a weak jobs market
  50. Pumpkins’ journey from ancient food staple to spicy fall obsession spans thousands of years