muscle

In the United States, heart disease accounts for a significant number of deaths every year, with cardiovascular disease being the primary concern. Factors like lifestyle choices and unforeseen circumstances contribute to its prevalence. Myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the heart's lining) are two inflammatory heart conditions primarily linked to immunological reactions from viral infections and mRNA vaccines. Though considered rare, awareness of these conditions is growing, especially among younger populations. Recent research in Science Immunology highlighted an increase in cytokine production leading to myocarditis in