Diseases, Conditions, Syndromes

Can surgical masks be reused?

Health authorities say the most widespread anti-COVID weapon—surgical masks—must be thrown away after a single use, but environmental concerns are pushing some scientists to question this recommendation.

Ophthalmology

FDA approves first contact lens that slows myopia progression

(HealthDay)—MiSight, the first contact lens indicated to slow the progression of myopia in children ages 8 to 12 years, has been approved by the U.S. Food and Drug Administration, the agency announced Friday.

Health

Microbial contaminants found in popular e-cigarettes

Popular electronic cigarette (e-cigarette) products sold in the U.S. were contaminated with bacterial and fungal toxins, according to new research from Harvard T.H. Chan School of Public Health.

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