CLIMATE CHANGE AND HAY FEVER Warmer temperatures are making for longer and more intense pollen seasons, and more severe hay fever symptoms. A new review of research finds these changes are already contributing to rising rates of hay fever. Maria Godoy
Colon cancer survivors who exercise regularly live longer A new study finds that regular exercise can help colon cancer survivors live longer lives after diagnosis, and in some cases, even longer than people who didn't have cancer. Maria Godoy
HHS will review guidance on the addition of fluoride to drinking water HHS Secretary Robert F. Kennedy Jr. has blamed the addition of fluoride — a common, naturally occurring mineral — for a host of health issues. The CDC says the policy has reduced cavities by some 25%. Alana Wise
'No More Tears' author discusses Johnson & Johnson's questionable business practices J&J recently lost a bid to settle lawsuits that claimed its talc powder products, including baby powder, caused cancer. Author Gardiner Harris says the company's defense "is beginning to crumble." Tonya Mosley
Pain pathway in a dish could aid search for new analgesic drugs Scientists have recreated a pathway that senses pain, using clusters of human nerve cells grown in a dish. Jon Hamilton
Doggles and dog booties: Anchorage residents prep pets for volcanic explosion Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ash clouds could reach the state's biggest city. Nathaniel Herz
Many older people love slow strength training. Does it work? A Martinez visits a slow strength gym and goes toe-to-toe with a senior weightlifter to see if this type of exercise lives up to the hype. Alice Woelfle
How Trump's immigration policies could worsen the health care worker shortage Hospitals and nursing homes rely on the immigrant workforce to fill many key roles, research finds. Trump's crackdown on immigration threatens to exacerbate shortages. Ronnie Cohen
Coal miners' health care hit hard in job cuts to CDC The CDC unit that dramatically reduced Black Lung Disease among coal miners has been fired in Trump's sweeping overhaul of health agencies. Mining communities must now grapple with its disappearance. Yuki Noguchi
What will it take to get measles under control NPR's Ari Shapiro speaks with Caitlin Rivers of Johns Hopkins Bloomberg School of Public Health about long-term implications of measles outbreaks in West Texas, New Mexico and a dozen other states. Courtney Dorning