Heart clocks regulate the daily variation in heart rate — Each heart cell has a clock that regulates the frequency of firing rate between day and night. This helps the heart to beat faster during the day and to sustain daily activities. Credit: Copyright MRC LMB
A new study has shown how circadian rhythms in heart cells help to change heart function over the course of the day and may explain why shift workers are more vulnerable to heart problems.
Scientists have shown for the first time that heart cells regulate their circadian rhythms through daily changes in the levels of …
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