Epidemiology
Epidemiology is the study and analysis of the distribution (who, when, and where) and determinants of health and disease conditions in defined populations.
Hygiene
Hygiene is a set of practices performed to preserve health. According to the World Health Organization (WHO), "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases." Personal hygiene refers to maintaining the body's cleanliness.
Medicine
Medicine is the science and practice of the diagnosis, treatment, and prevention of disease. Medicine encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness. Contemporary medicine applies biomedical sciences, biomedical research, genetics, and medical technology to diagnose, treat, and prevent injury and disease, typically through pharmaceuticals or surgery, but also through therapies as diverse as psychotherapy, external splints and traction, medical devices, biologics, and ionizing radiation, amongst others.
Social
Living organisms including humans are social when they live collectively in interacting populations, whether they are aware of it, and whether the interaction is voluntary or involuntary.
Medicine
Learn'd he was in medic'nal lore,
For by his side a pouch he wore,
Replete with strange hermetic powder
That wounds nine miles point-blank would solder.
Samuel Butler, Hudibras, Part I (1663-64), Canto II, line 223.
Medicine
No cataplasm so rare,
Collected from all simples that have virtue
Under the moon, can save the thing from death.
William Shakespeare, Hamlet (1600-02), Act IV, scene 7, line 144.
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