Here is an excellent video that illustrates one reason why people who do not have a background in science and scientific research should be very careful about quoting studies as evidence for anything. Too many people regularly quote studies that only show a correlation as proof of causation.
The Use of Scientific Studies in Blog Posts
A Critique of One Study of Pose Running Technique
A Critique of One Study of Pose Running Technique - Part II
More on Flawed Science
Are We Talking About the Same Thing?
Review of the “The 4-Hour Body” by Timothy Ferriss