I think many of you have been received an email that tell you eating prawns shortly after taking vitamin C will cause arsenic acid to form in the body and create a potentially fatal situation.
Do you believe on it?
It's an urban legend that has been going around the internet and is not based in fact. Here's a site that talks about the history of this fake email:
http://www.snopes.com/toxins/shrimp.htm
Hope this helps!