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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.
The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.