Diseases, Conditions, Syndromes

How to avoid illness as COVID-19 and the flu surge

A one-two punch of COVID-19 and the flu is striking California, sickening residents—some so severely they've had to go to the hospital—interrupting daily life and threatening to upend holiday plans.

Medical research

Microparticles could help prevent vitamin A deficiency

Vitamin A deficiency is the world's leading cause of blindness, and in severe cases, it can be fatal. About one-third of the global population of preschool-aged children suffer from this vitamin deficiency, which is most ...

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