In low- and middle-income regions, where micronutrient deficiencies are highly prevalent, eggs have been promoted as a cost-effective and culturally acceptable intervention (130)
Ah Mew N, Payan I, Daikhin Y, Nissim I, Nissim I, Tuchman M, Yudkoff M
The litigation tests these claims case by case using objective diagnostics, treatment history, and the documented severity of symptoms
[DOI] [PMC free article] [PubMed] [Google Scholar] 101.Ishikawa H, Xu L, Sone K, et al

Do's and Don'ts for Tongue Hyperpigmentation Do take a clear photograph with good lighting as a baseline record Do note when you first noticed the pigmentation and whether anything else changed at the same time (new medication, new symptoms, procedure) Do mention it to your clinician even if it seems minor Do check whether you have pigmentation in other locations - lips, nails, skin creases, eyes Do bring your medication list to the appointment Don't scrub, scrape, or abrasively brush the pigmented area Don't apply skin-lightening products, hydrogen peroxide, or any topical cosmetic to your tongue Don't assume a cosmetic procedure caused it without clinical confirmation Don't stop a prescribed medication because you suspect it caused pigmentation - discuss with your prescriber first Don't ignore pigmentation that is changing, symptomatic, or accompanied by other new findings Frequently Asked Questions Is a dark spot on my tongue after surgery something to worry about