By way of background, it’s important to know that when a side effect emerges during a study, it’s an extremely significant event. Most side effects don’t come to light during clinical trials because the samples are too small, the studies are too short, and the test subjects are usually healthier, overall, than those who will actually be taking the drug once it’s approved. It’s typically only when thousands or millions of people use a medicine for years that distinct patterns emerge and serious adverse events are detected. So when a side effect does turn up early in a small study, it should be
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