The male cardiovascular system is more prone to higher blood pressure from an early age. This may be why young men who received some of the COVID vaccines in 2021 were more at risk of myocarditis and pericarditis after their shots—inflammation of the sac around the heart or of the lining of the heart. But, of course, men and boys who fell ill with COVID-19 were also more likely to suffer cardiovascular problems such as these, and likewise were significantly more likely to die during the pandemic than women were.
