Definition: Based on collected data rather than a hypothesis or theory.
Examples: The MIST trials will provide empirical evidence about the connection between PFO and Migraine.
Empirical, Headache and Migraine Glossary
by Teri Robert
for About.comCreated: July 9, 2006
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
More about headache and Migraine clinical trials
Clinical Trials: What are they? How do they work?Clinical Trial Info
Headaches and Migraines on the Web
MAGNUM, National Migraine AssociationNHF, National Headache FoundationHelp for Headaches and Migraine
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