This comes even as major medical organizations are putting less and less emphasis on BMI and as new research emerges that shows cardiovascular fitness may be more important than body weight as a predictor of disease
But there are important differences in severity, timing, and discontinuation rates that matter for real-world use
7.2 Unanswered questions Although significant progress has been made in understanding macrophage polarization mechanisms, several key scientific questions regarding the plasticity and stability of their states remain unresolved
Previous studies have demonstrated that the characteristic CT findings of COVID-19, such as ground-glass opacities and consolidation, are determined by its comprehensive pathophysiological processesincluding gas-blood barrier dysfunction, microthrombosis, cytokine storm, oxidative stress, hyaline membrane formation, and bronchospasmwhich are also associated with the development of post-COVID pulmonary fibrosis [14, 44,45,46]