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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Medication errors are three times higher among children and infants than with adults.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Thyroid conditions may make getting pregnant impossible.
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