As you read the story, do you develop any expectations of how it might be resolved? are these expectations met or overturned.

answer; traditional culture;

answer; the rudder on ship ;

it might look like that the ideal way to research the health effects of trans fats is through a controlled experimental feeding trial. but these kinds of trial have several important limitations that the researcher must look into:

short in duration (this factor usually checks up on the intermediary risk factors rather than the actual outcomes of the disease)

limited dietary changes

only makes use of healthy participants