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Why is dopamine important in addiction?

Why is dopamine important in addiction? When the drug user takes a drug of choice to achieve the pleasurable feeling being sought, the dopamine chemical is released. When the brain gets over-stimulated with a certain drug, […]

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What does MDM2 positive mean?

What does MDM2 positive mean? A positive result is consistent with amplification of the MDM2 gene locus (12q15) and supports the diagnosis of parosteal osteosarcoma or low-grade central osteosarcoma. A negative result indicates an absence of […]

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What is a high expense ratio?

What is a high expense ratio? A good expense ratio, from the investor’s viewpoint, is around 0.5% to 0.75% for an actively managed portfolio. An expense ratio greater than 1.5% is considered high. What is the […]

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