But conclusions aren’t always fair and balanced. The quality of the conclusion is partly based on the quality of the peer reviewers. Higher impact journals will have better reviewers that force researchers to write a more balanced conclusion. Also, the conclusion doesn’t give numbers. If the study is 50,000 people, there could be a “statistical significance” at a difference of 0.25%. So for every 400 people who get a new intervention, one more will benefit. But the conclusion might say “more people benefited from the intervention.”