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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.


