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  2. The Sickness unto Death - Wikipedia

    en.wikipedia.org/wiki/The_Sickness_unto_Death

    The Sickness unto Death (Danish: Sygdommen til Døden) is a book written by Danish philosopher Søren Kierkegaard in 1849 under the pseudonym Anti-Climacus. A work of Christian existentialism, the book is about Kierkegaard's concept of despair, which he equates with the Christian concept of sin, which he terms "the sin of despair".

  3. Tuberculosis - Wikipedia

    en.wikipedia.org/wiki/Tuberculosis

    Tuberculosis (TB), also known colloquially as the " white death ", or historically as consumption, [8] is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. [1] Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1] Most infections show no symptoms, in which case it is known ...

  4. Miasma theory - Wikipedia

    en.wikipedia.org/wiki/Miasma_theory

    An 1831 color lithograph by Robert Seymour depicts cholera as a robed, skeletal creature emanating a deadly black cloud.. The miasma theory (also called the miasmic theory) is an abandoned medical theory that held that diseases—such as cholera, chlamydia, or the Black Death—were caused by a miasma (μίασμα, Ancient Greek for 'pollution'), a noxious form of "bad air", also known as ...

  5. Germ theory of disease - Wikipedia

    en.wikipedia.org/wiki/Germ_theory_of_disease

    The germ theory of disease is the currently accepted scientific theory for many diseases. It states that microorganisms known as pathogens or "germs" can cause disease. These small organisms, which are too small to be seen without magnification, invade humans, other animals, and other living hosts. Their growth and reproduction within their ...

  6. Infection - Wikipedia

    en.wikipedia.org/wiki/Infection

    An infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. [1] An infectious disease, also known as a transmissible disease or communicable disease, is an illness resulting from an infection.

  7. Humorism - Wikipedia

    en.wikipedia.org/wiki/Humorism

    Science. This is a subseries on philosophy. In order to explore related topics, please visit navigation. Humorism, the humoral theory, or humoralism, was a system of medicine detailing a supposed makeup and workings of the human body, adopted by Ancient Greek and Roman physicians and philosophers.

  8. Fever - Wikipedia

    en.wikipedia.org/wiki/Fever

    Fever is an important metric for the diagnosis of disease in domestic animals. The body temperature of animals, which is taken rectally, is different from one species to another. For example, a horse is said to have a fever above 101 °F (38.3 °C). [129]

  9. Sickness behavior - Wikipedia

    en.wikipedia.org/wiki/Sickness_behavior

    Sickness behavior is a coordinated set of adaptive behavioral changes that develop in ill individuals during the course of an infection. [1] They usually, but not always, [2] accompany fever and aid survival. Such illness responses include lethargy, depression, anxiety, malaise, loss of appetite, [3][4] sleepiness, [5] hyperalgesia, [6 ...