Vaccination

What we know about COVID-19 vaccines and side effects

The distribution of the first vaccines for the coronavirus has raised hopes that the end of the pandemic may be in sight, but it has also sparked some concern about side effects.

Cardiology

High levels of intense exercise may be unhealthy for the heart

There is growing evidence that high levels of intense exercise may be cardiotoxic and promote permanent structural changes in the heart, which can, in some individuals, predispose them to experience arrhythmias (abnormal ...

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