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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
People about to have surgery must tell their health care providers about all supplements they take.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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