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Long COVID Increases Heart Disease Risk, Swedish Study Finds

4/11/2026

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Summary

Story summary

A Swedish study finds that long COVID raises the risk of cardiovascular disease, including heart arrhythmias and heart failure, even for people never hospitalized.
The study analyzed health records of more than 1.2 million adults to assess long COVID and heart risk.
Among those with long COVID, 18% of women and 21% of men experienced heart issues, compared with 8% of women and 11% of men without long COVID.

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Story summary

A Swedish study finds that long COVID raises the risk of cardiovascular disease, including heart arrhythmias and heart failure, even for people never hospitalized.
The study analyzed health records of more than 1.2 million adults to assess long COVID and heart risk.
Among those with long COVID, 18% of women and 21% of men experienced heart issues, compared with 8% of women and 11% of men without long COVID.