논리 문제 – 22번 (2024 광운대 A형) 지문 원문 Compared with other fields, nutritional science is _____. That is partly because it is hard to do well.
Randomized controlled trials, used to test drugs, are tricky. Few people want to stick to an experimental diet for years.
Instead, most nutritional science is based on observational studies that try to establish associations between particular foods or nutrients and diseases. They cannot be used to definitively prove a causal connection between a disease and a ...