TRUE or FALSE: Caffeine Causes High Blood Pressure?

TRUE or FALSE:  Caffeine Causes High Blood Pressure?

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high blood pressure – right? First, some interesting facts about caffeine… 1) It’s the most widely consumed psychoactive
substance in the world – an estimated 90% of adults in Western countries consume it
daily. 2) Small doses of caffeine help reduce pain
and speed up the effects of other pain relievers like aspirin by up to 40%. 3) Green tea, oolong tea and black tea are
all the same leaves from the same plant, they’re just processed differently. 4) The “buzz” after the first few sips of
coffee or tea is largely psychological – though some caffeine is absorbed directly into the
blood through the mouth, most of it takes over 45 minutes to metabolize in the stomach
and small intestine. 5) The world’s number one producer of coffee?
Is it Columbia? Wrong, try Vietnam. 6) In a typical adult, most of the effects
of caffeine pass within 5 to 8 hours.  In women taking contraceptives, effects can last
5 to 10 hours and in pregnant women as much as 11 hours. So, getting back to the question… Is it
true that caffeine causes high blood pressure? There’s little doubt that, in the short run,
caffeine causes blood pressure spikes in people that don’t drink it regularly. As an example,
in research published in the New England Journal of Medicine, non-coffee drinking study subjects
had average blood pressure increases of 14 systolic and 10 diastolic. Whether or not caffeine causes long-term hypertension
over time in regular drinkers is less clear.  One way to find out is through researching
“meta-studies.”  Meta studies take a large number of clinical trials and then reduce
the mass of data into a conclusion. For example, in a study published by the American
Heart Association called, “The Effect of Chronic Coffee Drinking on Blood Pressure,” they concluded
that the average overall increase was 2.4 systolic and 1.2 diastolic. Just to confuse matters, yet another meta-study
published in the Journal of Hypertension concluded that the effects of caffeine were different
depending on if it was from coffee (an increase of 1.22 systolic and 0.49 diastolic) versus
other caffeinated drinks (2.04 systolic and 0.73 diastolic).  Their final conclusion
was, “Regular caffeine intake increases blood pressure. When ingested through coffee, however,
the blood pressure effect of caffeine is small.” These numbers may seem small, but when you’re
talking about blood pressure, even very small numbers can make a big difference. In population
study research published in the Journal of Biobehavioral Medicine, it was estimated that
increases as small as these could be attributed to a 14% increase in death from coronary heart
disease and a 20% increase in strokes. Like so much about blood pressure, how caffeine
affects you personally is very individual. The only way to know for sure?  Take your
blood pressure before drinking caffeine and then again 30 and 60 minutes later.  If you’re
one of the people who can safely drink caffeine without getting a blood pressure spike, it
doesn’t mean you have a free ticket to drink all you want.  It’s generally recommended
to drink no more than 350 milligrams a day.  Depending on your preferred strength, this
is roughly 2 to 4 cups of coffee; or 3 to 9 cups of tea.  So there you have it… Does caffeine increase
blood pressure? The answer is: maybe… everyone is different. To learn more about natural ways to control
your blood pressure without drugs, visit us at:
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2 Replies to “TRUE or FALSE: Caffeine Causes High Blood Pressure?”

  1. my ears ring all the time, i have eye pressure, and chest pain. after that i feel very drain and shaky. and yes i have hi bp right now its 183/94 and pulse 108. any advice?

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