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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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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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The longest a person has survived after a heart transplant is 24 years.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

Common metastatic sites for ovarian cancer. Common metastatic sites for ovarian cancer.
Segregation of B cells and T cells in a lymph node Segregation of B cells and T cells in a lymph node
Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t
Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch Pancreatitis. Inflammation of the pancreas may be the result of a bacterial infection, trauma, or ch
Nursing Interventions According to Stage of Severity for Suicide Risk Nursing Interventions According to Stage of Severity for Suicide Risk
Lymphatic massage techniques improve the circulation of lymph fluid. Lymphatic massage techniques improve the circulation of lymph fluid.
Video: Inflammation Animation

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