I agree that whatever has been prohibited in Quran should be obeyed. But everything that has been banned or declared haram has a reason, therefore making a research on that is no sin and can be or should be analysed into the deep.
More over have a look at that http://www.paklinks.com/gs/showthread.php?t=236183
and you might find that It is scientifically proven that It causes trouble to health. My neighbour had health problem because of consuming pig, therefore the doctors strictly restricted her of eating pig.