Erythema nodosum (EN) is a skin lesion that presents due to an inflammation of the subcutaneous fat, which is manifested clinically as a sudden onset of tender erythematous lesions. These lesions are typically localized to the pretibial surface. The cause of EN is mainly idiopathic, other causes are drugs, infections, autoimmune diseases, and inflammatory bowel disease.
View Article and Find Full Text PDFIntroduction: Tobacco use has changed since the onset of the coronavirus disease (COVID-19) pandemic. The effect of smoking on COVID-19 susceptibility has not yet been determined. In this study, we aimed to assess the association between smoking and COVID-19 susceptibility.
View Article and Find Full Text PDFBackground: Physical activity is a known preventive measure for many worldwide public health issues. The purpose of this study is to assess the association between physical activity and the susceptibility to COVID-19 infection.
Patients And Methods: This was a retrospective matched case-control study involving adult participants quarantined with IAU, Dammam, Saudi Arabia.