Disease : Diseases
In common usage, a disease is any abnormal condition of the body or mind that causes discomfort or dysfunction. Often used metaphorically for pathological conditions of other things, as in disease of society. Stricter medical usage sometimes distinguishes a disease, which has a known specific cause or causes (called its etiology), from a syndrome[?], which is a collection of symptoms that often occur together but for which there is no known cause. Also, many medical terms that describe symptoms are often called "diseases", especially when the cause of the symptom is unknown.The largest and best-known category, infectious diseases are those caused by transmissible infectious agents such as bacteria, fungi, parasites, viruses, and prions. Closely related though not infectious diseases in the strictest sense are parasitic diseases[?] caused by protozoa and worms. There are also genetic diseases caused by the presence or absence of genes in the affected person's DNA; toxic diseases[?] caused by exposure to environmental toxins such as heavy metals; nutritional diseases[?] caused by lack or deficiency in certain nutrients; conditions caused by injury, malformation, or disuse of parts of the body; autoimmune diseases caused by immune system attacks on the body's own tissue; diseases caused by the patient's own beliefs; and diseases causes by combinations of these, and of course totally unknown causes.
- Infectious diseases
- Genetic diseases
- Conditions of injury, malformation, or disuse
- stroke, atherosclerosis, atrophy, myopia, osteoarthritis, ...
- Autoimmune disorders
- Toxic diseases
- argyria, alcoholic hepatitis, iron poisoning, lead poisoning, ...
- Nutritional diseases
- beriberi, rickets, scurvy, iron-deficiency anemia, ... (see also vitamins and dietary minerals[?])
- Endocrine diseases
- Syndromes and diseases of unknown etiology, or of mixed causes
- Alzheimers disease, cancer, hypoglycemia, chronic fatigue syndrome, acquired neuromyotonia (Isaac's syndrome), Guillain-Barre syndrome, Stevens-Johnson syndrome, Meniere's disease
- Neurological disorders and mental illnesses
- Psychogenic illness
- multiple chemical sensitivity, mass sociogenic illness, ...
- Conditions
- psoriasis, poison ivy rash, etc.
The World Health Organization publishes a comprehensive list of diseases known as International Statistical Classification of Diseases and Related Health Problems (ICD).
See also:
- List of diseases for a list of common, notable, or infamous diseases.
- List of rare diseases for a huge list of 6000+ diseases, many very rare.
External links
- Center for Disease Control Health Topics A-Z (http://www.cdc.gov/health/default.htm), fact sheets about many common diseases
- The Merck Manual (http://www.merck.com/pubs/mmanual/sections.htm), detailed description of most diseases, freely searchable online.
- MedLine Plus Health Topics (http://www.nlm.nih.gov/medlineplus/healthtopics.html), descriptions of most diseases, with access to current research articles.
as was of periodical recurrence in the archduke's army, entirely unknown.
therefore no thieving.
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As to the famous regiments of Sicily, and the ancient legions of Naples
courts of Christendom, and was certainly not disposed to overrate the
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The pay was very high, and very prompt. A captain received four hundred
florins, and other officers and privates in proportion. These rates
difference in the value of money at the respective epochs, the salaries
and paying regularly the champions on whom so much depended, and by whom
palace gates to die of starvation before her eyes; while the veterans of
mutinous republic, on the soil of the so-called obedient Netherland,
cavalry and infantry of the Dutch commonwealth, thanks to the organizing
contented, obedient, well.html">well.html">well fed, well clothed, and well paid; devoted to
contrary, every able-bodied man in the country was liable to be called
and provided with arms, and there had been years during this perpetual
to be mustered at any moment into the field.
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of foreigners who were apt to be satirical, rather than enthusiastic,
other countries, seemed ever to speak of the United Provinces in terms of
.
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