Get Involved

How to read this infographic

Legend

Stronger evidence Weaker evidence
Total Publication Count 

Publications

×
×
These studies include meta-analyses, systematic reviews, and rigorously designed studies that can show causality. Try using the drop-down menu "Select type of evidence" or read about different types of evidence here
×
These studies include individual case studies that can only show correlation, not causation. Try using the drop-down menu "Select type of evidence" or read about different types of evidence here
×