syntax - The structure of the following sentence: "Why may standing up for a long time cause hypotension?"



Is the structure of this sentence "Why may standing up for a long time cause hypotension?" correct?



Answer



It is grammatical but, in a medical scenario I would use "how" instead of "why", and "can" instead of "may". It's just that hardly anybody uses "may" in ordinary conversation (or in medical schools) in AmE.



Standing up for a long time can cause hypotension.


How can standing up for a long time cause hypotension?



Some people are prone to hypotension when they keep in the standing position for a long time. Several factors can/may cause it.


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