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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ... Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ...
A fuel-pressure graph after key on, engine off (KOEO) on a TBI system. A fuel-pressure graph after key on, engine off (KOEO) on a TBI system.
Influences on Temperature: South-facing slopes are typically more vegetated than north-facing ... Influences on Temperature: South-facing slopes are typically more vegetated than north-facing ...
Apply effleurage to upper chest bilaterally over pectoral muscles and sternum. Medium pressure ... Apply effleurage to upper chest bilaterally over pectoral muscles and sternum. Medium pressure ...
How did you give birth? C section vs. Normal Delivery How did you give birth? C section vs. Normal Delivery
Hormonal and nervous factors influencing blood pressure Hormonal and nervous factors influencing blood pressure
Video: Glomerubular filtrate rate -pressures that affect GFR and net filtration pressure

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