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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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The FDA recognizes 118 routes of administration.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Image of phacopidan trilobite Calymene tristani in nodule. Image of phacopidan trilobite Calymene tristani in nodule.
Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
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Eating Disorders and Body Image (2 of 2) Eating Disorders and Body Image (2 of 2)
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A colorized image of the human male chromosome set A colorized image of the human male chromosome set
Video: Forming urine ( influencing factors), Forming dilute urine & Forming concentrated urine

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