Health

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Across
  1. 3. a substance, especially in the form of a liquid or a pill, that is a treatment for illness or injury.
  2. 4. a microorganism, especially one that causes ilnesses.
  3. 5. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases.
Down
  1. 1. the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
  2. 2. a disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury.