China’sXi Jinping has warned PresidentDonald Trump that their two countries could clash over Taiwan if the issue is not handled properly. That was an unusually harsh admonition that stood in contrast to the American leader’s praise for his ... .
Deciding when to get a routine mammogram is confusing. Guidelines disagree on whether to begin at age 40, 45 or 50, and whether a yearly or every-other-year scan is best. New research aims to one day help tailor advice by ....