Primary vs secondary headaches

Headaches are common, but the causes are wide and varied, and some are more serious than others. 

Why do we get headaches? What's the difference between a headache and a migraine?

Norman and Tegan talk through some basics about headaches, and why a round of squats might help...

References:

• The Science Behind Headaches: What's Really Happening In Your Skull 
• The vascular theory of migraine—a great story wrecked by the facts
• Twelve-month efficacy of CGRP monoclonal antibodies and predictive value of short-term response: results of an Australian multicentre study 
• Trial of Galcanezumab in Prevention of Episodic Cluster Headache
• Erenumab for Chronic Cluster Headache: A Randomized Clinical Trial
• Effect of Exercise on Chronic Tension-Type Headache and Chronic Migraine: A Systematic Review
• The effect of different exercise types on migraine frequency in individuals with migraine: A pilot study

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