The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
A cyanotic infant. Note the bluish tinge to the skin around the lips, chin, and nose
How to choose the right payment plan with changing conditions (Question 4)