January 2023 in “Dermatologìâ ta venerologìâ” This study found that using a combination of "Volvit tablets" (biotin 5 mg) and "Volvit intensive care shampoo" with biotin in patients with diffuse telogen alopecia stopped hair loss and restored hair follicles to normal function, suggesting effectiveness and safety for wide clinical use.
October 2022 in “Dermatology practical & conceptual” Scalp skin condition LEDS has similar features to Zoon's balanitis, a mucosal skin disorder.
May 2024 in “International journal of medicine and psychology.” In this study, researchers found that while fourth-grade students at a Moscow school displayed significant cognitive development, many also experienced anxiety and low motivation, highlighting the importance of psychological support in easing transitions to basic education.