Publications by authors named "Mahmoud A Alzahrani"

Background Patients with subclinical hypothyroidism (SCH) have a high serum concentration of thyroid-stimulating hormone (TSH), whereas their serum-free thyroxine concentrations are normal. Lipid metabolism is regulated in large part by thyroid hormones. It could be connected to a changed lipid profile.

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Objective: Diabetes mellitus represents a major burden globally and locally. Some diabetic patients may resort to the use of herbal medicine as another approach to control their blood glucose levels. This study aims to assess the prevalence and the perception of diabetic patients toward the usage of herbs in treating diabetes.

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Vitamin D deficiency has been associated with the risk for immune-mediated inflammatory reactions in various respiratory infections. Our study investigated the association between vitamin D deficiency and coronavirus disease 2019 (COVID-19) patients' outcomes. We included 545 patients who were admitted to a tertiary center in Jeddah, Saudi Arabia from March 2020 to July 2021 with a vitamin D serum test result at the time of infection or prior to disease onset.

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