In a recent study, Dr. Arriola-Villalobos Pedro and colleagues discovered that wearing a face mask reduces tear film stability in individuals with moderate-to-severe dry eye.  The findings of this research were published in Cornea, the Journal of Cornea and External Disease in October 2021.

Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to a collaboration that included Oregon State University scientists.

Metformin appears to be safe and effective for children and adolescents with obesity, suggests a study published in the Obesity Journal.