Caffeine, good and bad
Although caffeine can trigger headaches, either as a symptom of withdrawal or as a result of dehydration from overconsumption, it can also stop them.
Before the pain of a headache sets in the blood vessels enlarge. Caffeine has vascoconstrictive properties which narrow the blood vessels and reduce swelling . When caffeine is consumed as drink or as pain relief headache pain is reduced by 40%.
For a quick remedy , plunger coffee has a higher amount of caffeine that instant or espresso – but enjoy in moderation.
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