Diseases, Conditions, Syndromes

Clarifying the CDC's COVID-19 quarantine and isolation guidelines

In December 2021, the U.S. Centers for Disease Control and Prevention updated its guidelines for how long people should isolate following a COVID-19 infection. The agency shortened the isolation from 10 days to five, followed ...

Medical research

Simple and reliable ALS diagnosis with blood tests

Blood tests may enable more accurate diagnosis of ALS at an earlier stage of the disease. As described in a study by researchers at University of Gothenburg and Umeå University, it involves measuring the blood level of a ...

Diseases, Conditions, Syndromes

Q and A: Tips for coping with COVID-19 at home

DEAR MAYO CLINIC: My sister tested positive for COVID-19 with an at-home test and has not been to her doctor because her symptoms are mild—just some congestion and a slight cough. Although the new omicron variant of COVID-19 ...

Ophthalmology

Using the eye as a window into heart disease

Scientists have developed an artificial intelligence (AI) system that can analyze eye scans taken during a routine visit to an optician or eye clinic and identify patients at a high risk of a heart attack. 

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