Witch doctor: traditional healers, the term's origins, and cultural roles Witch doctor An impartial overview of the term “witch doctor,” its historical use, the practices and social roles of traditional healers (sangomas, shamans), and why the label is contested toda…
Wound (medical): types, healing, management and notable facts Wound Concise medical overview of wounds: definitions, open vs closed types, healing stages, common treatments, complications, and historical notes.
Wound healing: processes, stages and clinical considerations Wound healing Comprehensive overview of wound healing: phases (hemostasis, inflammation, proliferation, remodeling), key cells and molecules, factors that help or hinder repair, complications an…
Yaws — a contagious tropical infection caused by Treponema pallidum pertenue Yaws Yaws is a bacterial skin and bone infection of children in tropical regions. It causes ulcers, bone pain and chronic deformity but is treatable and a target of elimination campaign…
Yellow fever: cause, transmission, prevention, and historical impact Yellow fever Yellow fever is an acute mosquito‑transmitted viral disease that can cause fever, jaundice and hemorrhage; it is preventable by a live vaccine and controlled by vaccination and vec…
Zika fever: causes, symptoms, complications, and prevention Zika fever Zika fever is a mosquito‑borne viral illness in the Flavivirus family. Usually mild or asymptomatic, it can cause birth defects and neurological complications; prevention focuses o…
