The risk of severe illness from Covid-19 is higher in people with obstructive sleep apnea and other breathing problems that cause oxygen levels to drop during sleep, researchers say.

Dutch medical equipment company Philips recalled some breathing devices and ventilators because of a foam part that might degrade and become toxic, potentially causing cancer.

Eisai Inc. announced positive top-line results from the CAMELLIA-TIMI 61 cardiovascular outcome trial.