Vaccination

Do I need a vaccine if I've already had COVID-19?

The Centers for Disease Control announced that in most cases, vaccinated adults in the U.S. could start going without masks, even indoors—a long-awaited benchmark to signal a return to a more normal life. But many people ...

Diseases, Conditions, Syndromes

More evidence suggests COVID-19 was in US by Christmas 2019

A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the new coronavirus popped up in the U.S. in December 2019—weeks before cases were first recognized ...

Psychology & Psychiatry

Teen girls suicide attempts up dramatically in pandemic: study

The US Centers for Disease Control and Prevention (CDC) said Friday that emergency department visits for suspected suicide attempts by teenage girls rose significantly last year compared to 2019, highlighting the mental health ...

Diseases, Conditions, Syndromes

As COVID-19 cases wane, vaccine-lagging areas still see risk

New COVID-19 cases are declining across most of the country, even in some states with vaccine-hesitant populations. But almost all states bucking that trend have lower-than-average vaccination rates, and experts warn that ...

Neuroscience

New study on brain cooling turns treatment advice on its head

A large international study on the effects of cooling the brain after a cardiac arrest shows that contrary to current treatment recommendations, it doesn't actually improve survival or recovery. The study, published today ...

Radiology & Imaging

Radiotracer effective for detection and assessment of lung fibrosis

Positron emission tomography (PET) using a 68Ga-labeled fibroblast activation protein inhibitor (FAPI) can noninvasively identify and monitor pulmonary fibrosis, according to research presented at the Society of Nuclear Medicine ...

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