Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
Leaf from a Black Walnut tree
Juglans nigra (Black Walnut tree) lower leaf surface
Black Raspberry
An “Intermediate-Mass” Black Hole
Sequential blending uses a computer to calculate the correct ratio as well as the prescribed order ...