Vitamin D Levels in Patients with and without Acne and Its Relation to Acne Severity: A Case-Control Study

摘要

Vitamin D plays a significant role in the function of the immune system and it influences many dermatological diseases such as psoriasis and atopic dermatitis. The prevalence of vitamin D deficiency is growing globally, with around 30–50% of people are known to have low levels of vitamin D. Acne vulgaris is a common inflammatory disorder of the pilosebaceous unit. Studies about the role of vitamin D in the pathogenesis of acne vulgaris have shown conflicting and nonconclusive results. Thus, the precise purpose of vitamin D has not yet been established.