What causes nausea?

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Mmakeng Dhlomo

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What causes nausea?
« on: 14/05/2010 00:30:07 »
Mmakeng Dhlomo  asked the Naked Scientists:
   
Hello Chris
 
What causes nausea? After eating certain types of food, I feel terribly nauseated but cannot throw up.
 
Thank you

Mmakeng from Midrand Johannesburg

What do you think?
« Last Edit: 14/05/2010 00:30:07 by _system »

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Offline techmind

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What causes nausea?
« Reply #1 on: 14/05/2010 22:22:20 »
I'm not in the least bit a fussy eater, and enjoy almost everything of common western foodstuffs. The one real exception for me is black cherry. I do not enjoy a black cherry pie, feel very nauseas afterwards, and have even been sick on one occasion. I avoid black cherries now.

Red glace cherries are fine, and very tasty (if a bit sweet). But I don't much like raw red cherries (or probably even a red-cherry pie) that much either. Is there something fairly unique about black cherries which I might react adversely to? Some enzyme or something?


Of course there can also be mental/psychological causes of nausea, including anxiety...
"It has been said that the primary function of schools is to impart enough facts to make children stop asking questions. Some, with whom the schools do not succeed, become scientists." - Schmidt-Nielsen "Memoirs of a curious scientist"