Depends: Yes they usually can. There is more to telling if someone is high then just red eyes. Awkward or weird behaviors, glassy eyes, dazed look, dilated or pin point pupils are just some of the signs.
Answered 9/12/2013
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2 doctors weighed in across 2 answers
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A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
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