Biomedical technology

New model points to solution to global blood shortage

Blood transfusions save lives, yet the precious fluid is in desperately short supply, not just in the U.S. but around the globe. But what if transfusions don't always require blood?

Diseases, Conditions, Syndromes

Record delta wave hits kids, raises fear as US schools open

The day before he was supposed to start fourth grade, Francisco Rosales was admitted to a Dallas hospital with COVID-19, struggling to breathe, with dangerously low oxygen levels and an uncertain outcome.

Medical research

6 COVID-19 treatments helping patients survive

A year ago, when U.S. health authorities issued their first warning that COVID-19 would cause severe "disruption to everyday life," doctors had no effective treatments to offer beyond supportive care.

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