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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Hip Typically occurs as a result of a fall; with osteoporosis, hip fractures can occur as a result o Hip Typically occurs as a result of a fall; with osteoporosis, hip fractures can occur as a result o
A Heliocentric Explanation of Retrograde Motion A Heliocentric Explanation of Retrograde Motion
Cannabinoid Receptors in a Rat Brain Cannabinoid Receptors in a Rat Brain
Responses to Viewing Form from Motion Responses to Viewing Form from Motion
Signal transduction mechanisms at cholinergic receptors. Signal transduction mechanisms at cholinergic receptors.
Thumb web–forearm stimulation. Using the thumb and finger of your left hand, squeeze the webbing ... Thumb web–forearm stimulation. Using the thumb and finger of your left hand, squeeze the webbing ...
Video: Mendel's Pea Experiment

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