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By LAURAN NEERGAARD

WASHINGTON — The U.S. approved updated COVID-19 vaccines Monday, hoping to rev up protection against the latest coronavirus strains and blunt any surge this fall and winter.The Food and Drug Administration decision opens the newest shots from Moderna...

By LAURAN NEERGAARD

The U.S. is poised to make COVID-19 vaccinations more like a yearly flu shot, a major shift in strategy despite a long list of questions about how to best protect against a still rapidly mutating virus.The Food and Drug Administration asked its...

By LAURAN NEERGAARD

WASHINGTON — Altering human heredity? In a first, researchers safely repaired a disease-causing gene in human embryos, targeting a heart defect best known for killing young athletes — a big step toward one day preventing a list of inherited...

By LAURAN NEERGAARD

WASHINGTON — Are you seeking steps to keep your brain healthy in old age?There are no proven ways to stave off mental decline or dementia, but a new report says there are hints that exercise, controlling blood pressure and some forms of brain training...