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3 votes

Are population-related conclusions obtained from autopsy applicable to the general population?

Every sample is biased. The question is whether these samples are meaningfully biased in a way that would like affect these results. Yes, those getting a head MRI likely have some symptoms related to ...
Bryan Krause's user avatar
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1 vote

Signs of Anoxia?

While theoretically hemoglobine-free blood may be "clear", it would probably be more of a milky color (have a look here for how a platelet transfusion looks like:
Thomas's user avatar
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1 vote

What drugs can keep you awake for long time?

The most popular drug that can keep people awake for long time is caffeine. Most caffeine pills contain a 200mg dose, about the same as the average 12-ounce cup of coffee.
kellyon spam's user avatar
1 vote

How is it determined that someone died from "air polution"?

Your question can basically be extended to all studies related to statistics. In simple terms you are generally looking for a relationship (e.g. between an increased number of deaths and air pollution ...
Chris's user avatar
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