Diseases, Conditions, Syndromes

What's known about Biden catching COVID-19?

President Joe Biden tested positive for COVID-19 on Thursday, is experiencing mild symptoms and has begun taking Paxlovid, an antiviral pill treatment.

Health

Social stress can speed up immune system aging

As people age, their immune systems naturally begin to decline. This aging of the immune system, called immunosenescence, may be an important part of such age-related health problems as cancer and cardiovascular disease, ...

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