Deficiency
2 articles

Wellness
Rethinking Vitamin D: Deficiency Common, Supplement Benefits Doubted
Despite 30% to over 90% of healthcare workers suffering from vitamin D deficiency, a massive meta-analysis of 153,902 participants found little to no benefit from calcium and vitamin D supplementation
Chloe Bennett·June 7, 2026

Nutrition
What Are Micronutrients and Why Do They Matter for Your Immune System?
Vitamin A deficiency remains a leading cause of preventable blindness in children worldwide, simultaneously increasing their risk of severe illness and death from common infections, according to the W
Ryan Patel·June 4, 2026