It's your overall intake that is more important. Blood cholesterol
levels are affected more by the amount and type of fat in the diet than the amount of dietary cholesterol.
A high intake of saturates, and fat of all types, can increase the amount of cholesterol produced in the liver
and so the amount in the blood. Prawns are naturally low in saturated fat
, 100g contains only 0.2g.
Basically, just eat it as part of a balanced diet.
Here read this article.http://www.seafish.org/upload/file/main/v3_Prawn%20FactsheetFINALAMENDED.pdf