Sources
We don't write from memory or cite unread research. Here is the list of sources we consider reliable.
Books
Make It Stick
Peter C. Brown, Henry L. Roediger III, Mark A. McDaniel
Overview of effective learning methods for general audienceAtomic Habits
James Clear
Practical behavior change advice; distinguished from scientific evidenceWhy We Sleep
Matthew Walker
Controversial claims cross-checked as new data emergesPeak
Anders Ericsson, Robert Pool
Research on deliberate practice and expertise acquisitionDeep Work
Cal Newport
Focus and productivity; grounded in cognitive scienceOrganizations
WHO
World Health Organization
CDC
Centers for Disease Control and Prevention
NHS
UK National Health Service
Cochrane
Cochrane Library — gold standard of systematic reviews
APA
American Psychological Association
ACSM
American College of Sports Medicine
Research Types
We give greatest weight to:
- Meta-analyses — combining results of many studies
- Systematic reviews — across all relevant data with clear methodology
- RCTs — randomized controlled trials
- Cohort studies — with confounder control
What We Avoid
- Personal blogs as primary data sources
- News articles without links to primary source
- Research with obvious conflicts of interest
- Single, unreplicated results