Ключевые слова: adult feet, best practices, clinical observation, dermatology, early detection, foot care, foot condition, foot examination, foot health, foot problems, fungal infection, health awareness, health condition, health monitoring, healthcare, hygiene tips, lifestyle factors, medical diagnosis, medical education, medical illustration, nail beds, nail changes, nail discoloration, nail disorders, nail infection, nail separation, nail symptoms, nail treatment, onycholysis, patient awareness, patient care, personal hygiene, podiatry, preventive care, skin conditions, skin health, toenails, treatment options, visual symptoms, yellow toenails,