A New Clue to Why Heart Attacks Are Less Severe at Night

JAMA 2026

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Authors: Kate Schweitzer
DOI: 10.1001/jama.2026.0288
Cited by: 0

Abstract

This Medical News article discusses a new study that may reveal why myocardial infarctions tend to be less severe at night and how modulating the circadian rhythms of an immune cell may be a key to lessening their damaging effects.

Fields of Study & Subjects

Circadian rhythm and melatonin Acute Myocardial Infarction Research Cardiac Fibrosis and Remodeling

Publication details

Journal / source
JAMA
Volume
335
Issue
9
Pages
741–741
Publication date
6 February 2026
Language
EN