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Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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Blood is approximately twice as thick as water because of the cells and other components found in it.

The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv
Three patterns of axonal regeneration in mammalian peripheral nerves. Three patterns of axonal regeneration in mammalian peripheral nerves.
Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ... Gram-stained cervical smear. Note the gram-negative diplococci Neisseria gonorrhoeae ...
Cranial nerves and their target regions. (Sensory nerves are shown in blue; motor nerves, in red.) Cranial nerves and their target regions. (Sensory nerves are shown in blue; motor nerves, in red.)
Cervical Plexus Cervical Plexus
Autonomic nerves and their effects Autonomic nerves and their effects
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

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