What do you think is the single most important issue related to work, income, wealth, retirement, and pensions that needs to be addressed by policymakers?

answer; technology;

answer; /// haptic;

answer; cardinal directions;

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