Diseases, Conditions, Syndromes

Beware of false negatives in diagnostic testing of COVID-19

One of the most commonly used diagnostic tools, particularly during this pandemic, is the reverse transcriptase polymerase chain reaction test (RT-PCR), which uses a person's respiratory sample to detect viral particles and ...

Genetics

Study sheds light on the darker parts of our genetic heritage

More than half of our genome consists of transposons,DNA sequences that are reminiscent of ancient, extinct viruses.Transposons are normally silenced by a process known as DNA methylation, but their activation can lead to ...

Diseases, Conditions, Syndromes

What does recovery from COVID-19 look like?

Unless you or someone you know has been infected with the coronavirus, it may be hard to imagine what it's like to have COVID-19—and recover from it.

Diseases, Conditions, Syndromes

CDC: Wearing a mask could keep you from catching virus

U.S. health officials are taking a new tack to encourage Americans to wear masks: They're emphasizing recent research that a mask protects the person who wears it.

Diseases, Conditions, Syndromes

How the coronavirus will change your next dentist appointment

Surgical masks are replaced with N-95 respirators, the dental drill is silent, and waiting-room magazines are gone. Your next trip to the dentist may be much different from what you're used to.

Diseases, Conditions, Syndromes

Q&A: How to treat painful bladder syndrome

DEAR MAYO CLINIC: I am a 45-year-old woman with urinary challenges, including feeling the frequent urge to empty my bladder. My primary doctor said I might have interstitial cystitis and suggested I see a urogynecologist. ...

Diseases, Conditions, Syndromes

Children with no COVID-19 symptoms may shed virus for weeks

New research suggests that children can shed SARS-CoV-2, the virus that causes COVID-19, even if they never develop symptoms or for long after symptoms have cleared. But many questions remain about the significance of the ...

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