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Color-blind people often suffer (pain) from a confusion between red and green.

Hi,

Is there "pain" understood in between "suffer from" in the above? IF not, how should I interpret "suffer from" in the above? Thanks.
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Hi,

Color-blind people often suffer (pain) from a confusion between red and green.

Is there "pain" understood in between "suffer from" in the above? No.

IF not, how should I interpret "suffer from" in the above? Have to deal with negative consequences.

Best wishes, Clive
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No, no 'pain' or any other word.

Suffer: to sustain injury, disadvantage, or loss: One's health suffers from overwork. The business suffers from lack of capital. I suffer from nomophobia. They suffer from confusion.