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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.
The familiar sounds of your heart are made by the heart's valves as they open and close.