To the Editor: We greatly appreciate the interest of Falotico et al regarding our article,''The
epidemiology, impact, and diagnosis of micronutrient nutritional dermatoses part 2: B …

To the Editor: We applaud Dr Lipner for her relevant critique and commentary in her recent
article,''Rethinking biotin therapy for hair, nail, and skin disorders,''regarding the popularized …

12 Biotin-containing supplements continue to be marketed over the counter as 13
“dermatologist-recommended” for the treatment of hair and nail disorders and all …

To the Editor: We read with great interest the letter by Ranpariya and Lipoff 1 discussing the
ethical issues and financial conflicts of interest inherent to directto-consumer (DTC) …

2. Wang Y, Lipner SR. Google trends analysis of public interest in biotin for dermatological
conditions following the FDA warning. Dermatol Ther. 2020; 33 (6): e13904. 3. Thompson …

Hippocrates is a historical figure often thought of as the “Father of Medicine.” He is quoted as
saying,“Let food be thy medicine and thy medicine be thy food.” His wise words are not …

To the Editor: We appreciate the comments of Lim and colleagues 1 about our article on the
response of 25-hydroxyvitamin D to UVB light. We agree with their comments that skin …

To the Editor: We read with great interest the article by Conic et al 1 in which the authors
have evaluated vitamin D levels in patients with scarring and nonscarring alopecia …

To the Editor: Onychomycosis is a nail infection due to dermatophytes, nondermatophytes,
and yeasts. 1 Oral terbinafine is a highly effective and safe therapy for onychomycosis. 1-3 …

To the Editor: We appreciate the comments of Lim and colleagues 1 about our article on the
response of 25-hydroxyvitamin D to UVB light. We agree with their comments that skin …