Abstract Title:

Obesity, vitamin D deficiency and old age a serious combination with respect to coronavirus disease-2019 severity and outcome.

Abstract Source:

Curr Opin Clin Nutr Metab Care. 2020 Sep 15. Epub 2020 Sep 15. PMID: 32941186

Abstract Author(s):

Hans K Biesalski

Article Affiliation:

Hans K Biesalski


PURPOSE OF REVIEW: Old age, obesity and vitamin D deficiency are considered as independent risk factors for severe courses of COVID-19. The aim of the review is to discuss common features of these risk factors and the impact of vitamin D.

RECENT FINDINGS: The recently discovered relationship between vitamin D and the infection pathway of the virus via the renin--angiotensin system (RAS) and the adipokines leptin and adiponectin play an important role. The frequency of studies showing a relationship between a low vitamin D status in comorbidities and severe COVID-19 courses makes an impact of vitamin D effects likely.

SUMMARY: There is a direct relationship between vitamin D, body fat and age in COVID-19 courses. With age, the ability of the skin to synthesize vitamin D decreases, and leads to vitamin D-deficits. If the skin is insufficiently exposed to sunlight, severe deficits can develop. As vitamin D plays an important role not only in the immune system but also in the RAS, and thus at the point where the virus attacks, a good vitamin D supply is an important basis for reducing the risk of severe COVID-19 processes. Treatment with vitamin D supplements should be based on severity of the vitamin D deficiency.

Study Type : Review

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