Health

Why having bad oral health could raise the risk of COVID

Not brushing your teeth will get you in trouble with the dentist—but since the arrival of the pandemic, it could lead to bigger problems too. There's growing evidence that poor oral health raises the risk posed by COVID.

Diseases, Conditions, Syndromes

Q&A: Is the common cold really much worse this year?

Many people are reporting the "worst cold ever". But are colds really much worse this year? And, if so, what is causing it? We asked consultant microbiologist Fidelma Fitzpatrick to explain.

Diseases, Conditions, Syndromes

Researchers investigating COVID-19's brain symptoms

Patients diagnosed with COVID-19 may show neurological symptoms, such as loss of smell, delirium and cognitive impairment. Mayo Clinic researchers are investigating these side effects to determine whether being infected with ...

Diseases, Conditions, Syndromes

Multiple sclerosis linked to infection in adolescence

Multiple sclerosis (MS) is most often diagnosed between the ages of 20 and 50. Certain genes put a person at greater risk of getting this disease of the central nervous system, but scientists are still trying to understand ...

Diseases, Conditions, Syndromes

Long COVID uncommon in children, analysis finds

Fewer than one in 20 children with symptomatic COVID-19 experienced symptoms lasting longer than 4 weeks, and almost all children have fully recovered by 8 weeks, a new study has found.

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