The surname Nguyen is believed to have originated in the Chinese surname Ruan (in the Mandarin language) or Yuen (Cantonese), owing to Chinaâs long domination over Vietnam.
Tinea nigra is a fungal infection that is mainly seen on the palms of the hands or soles of the feet causing a dark brown to black discoloration of the affected skin. The word tinea means a fungal infection and nigra means black.
Cure it Safely and Naturally. Fingernail fungus occurs when a fungi infects your nail bed. The fingernail fungus is called onychomycosis and develops when the nail is exposed to long periods of hot and humid conditions. You may see either a white or yellow spot under the tip of the nail. As the fungus grows, it burrows deeper into the nail bed.