Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Medication errors are three times higher among children and infants than with adults.
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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.
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Vaccines prevent between 2.5 and 4 million deaths every year.
