FROM Christine Dauphine
New Guidelines Create Confusion about Mammograms Breast cancer kills 41,000 American women every year, but hundreds of thousands survive — largely because of early diagnosis. One big question is, how early? Mammograms can save lives, but can also generate "false positives" that lead to further tests and treatments that could be unnecessary. Now, after years of recommending annual mammograms starting at age 40, the American Cancer Society says 45 . But other agencies disagree, leaving questions of life or death up to individual women and their doctors.
100 days of executive action: Accomplishment or posturing? President Trump's first 100 days have featured a flood of high-profile executive orders. Which ones do what he says they do, and which ones don't? How are Trump voters feeling now?
Will the march for science politicize objective research? Protesters are gathering all over the country for tomorrow's Earth Day March for Science. Since President Trump has proposed massive cuts in basic scientific research, will the movement be perceived as partisan politics — whether scientists themselves like it or not?