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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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The average office desk has 400 times more bacteria on it than a toilet.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on
About 78% of middle-aged adults (aged 40–59) have at least one living parent, and for over a third ... About 78% of middle-aged adults (aged 40–59) have at least one living parent, and for over a third ...
Checklist of Developmental Skills: Birth to 5 years Cont. Checklist of Developmental Skills: Birth to 5 years Cont.
Toddler: 1–3 years. Toddler: 1–3 years.
Complementary and Alternative Therapy Use Among Adults and Children Complementary and Alternative Therapy Use Among Adults and Children
Patients Older than 60 Years of Age Patients Older than 60 Years of Age
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

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