Why the study?
Do blood pressure-lowering drugs reduce the prevalence of headaches compared to placebo?
Population
24,244 participants from 94 randomized placebo-controlled trials
Comparison
Blood pressure-lowering drugs in fixed doses vs Placebo
Design
Meta-analysis, randomized, placebo-controlled
Authors
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BP-lowering drugs reduce headache prevalence; confirms blood pressure reduction per se prevents headaches.
Do blood pressure-lowering drugs reduce the prevalence of headaches compared to placebo?
Blood pressure-lowering drugs significantly reduce the prevalence of headaches, suggesting that blood pressure reduction per se prevents headaches.
Morris et al. (2005) studied this question.
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