Cardiology

Advice shifting on aspirin use for preventing heart attacks

Older adults without heart disease shouldn't take daily low-dose aspirin to prevent a first heart attack or stroke, an influential health guidelines group said in preliminary updated advice released Tuesday.

Vaccination

US unveils guidance for federal vaccine mandate, exemptions

With just weeks remaining before federal workers must be vaccinated against COVID-19, the federal government on Monday outlined procedures for employees to request medical or religious exemptions from President Joe Biden's ...

Diseases, Conditions, Syndromes

Mask mandate reinstated in San Francisco Bay Area amid surge

San Francisco and six other Bay Area counties announced Monday that they are reinstating a mask mandate for all indoor public settings as COVID-19 infections surge because of the highly contagious delta variant.

Diseases, Conditions, Syndromes

CDC changes course on indoor masks in some parts of the US

The Centers for Disease Control and Prevention changed course Tuesday on some masking guidelines, recommending that even vaccinated people return to wearing masks indoors in parts of the U.S. where the delta variant of the ...

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