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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Cellular movements caused by the actions of flagella and cilia Cellular movements caused by the actions of flagella and cilia
European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi
Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th
Damage to Field CA1 Caused by Anoxia Damage to Field CA1 Caused by Anoxia
A clogged PCV system caused the engine oil fumes to be drawn into the air cleaner assembly. This is ... A clogged PCV system caused the engine oil fumes to be drawn into the air cleaner assembly. This is ...
Inflammation of the oropharynx and petechiae (small red spots) on the soft palate caused by strep ... Inflammation of the oropharynx and petechiae (small red spots) on the soft palate caused by strep ...
Video: Cardiac Cycle (Part 4 of 4)

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