Medical Research Explained

Overhead view of hands holding two illustrated study-design sheets with groups of people, arrows, exposure-like photos, and outcome-like population images, surrounded by a magnifying glass, smartwatch, clipboard, and scattered photos.

Case-Control vs Cohort Study: Start With the Outcome or Start With the Exposure?

by Max Data
November 10, 2026

Cohort studies generally start with exposure and measure subsequent outcomes. Case-control studies start with outcomes and reconstruct earlier exposure. That sampling difference determines which risks can be calculated, which biases matter most, and when each…

Person at a laboratory desk compares two stacks of marked papers beside a laptop, test tubes, microscope, magnifying glass, and notebook.

Preprint vs Peer-Reviewed Study: How Much Confidence Should You Place in Early Findings?

by Max Data
September 27, 2026

Peer review adds scrutiny, but it does not guarantee that a medical finding is correct. Use this practical framework to assess preprints, journal articles, abstracts, and health news.