Caffeine is a popular stimulant that helps people to get up and going in the morning. It helps them to wake up and feel alert, and it increases concentration and productivity. Caffeine however, is very addictive and a withdrawal from it often causes headaches, including severe migraines. The headaches usually occur within 12 to 24 hours from the time the last dose of caffeine was taken, and can last anywhere from three to nine days, depending on how bad the individual is hooked on the caffeine.
According to a study done at the John Hopkins School of Medicine, the headaches occur as a result of changes in the brain’s electrical activity and changes in the blood flow to the brain. Caffeine constricts blood vessels, and thus stopping caffeine increases the blood flow, which is said to be a factor in causing the headaches. Read More...
According to a study done at the John Hopkins School of Medicine, the headaches occur as a result of changes in the brain’s electrical activity and changes in the blood flow to the brain. Caffeine constricts blood vessels, and thus stopping caffeine increases the blood flow, which is said to be a factor in causing the headaches. Read More...
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