For many, coffee is a comforting ritual – the aroma, the warmth, the boost. But behind that daily cup lies a physiological response that might be affecting your blood pressure more than you realize.
Coffee Can Temporarily Raise Blood Pressure
Caffeine stimulates your nervous system, which can cause a temporary spike in blood pressure – even in people without hypertension.
It Enters the Bloodstream and Interacts With Your Brain
Once caffeine is absorbed, it influences brain chemicals and hormones, triggering responses that affect your cardiovascular system.
Blood Vessels Constrict
One of caffeine’s effects is to narrow the blood vessels, making it harder for blood to flow and causing your blood pressure to rise.
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It Triggers the Body’s Stress Response
Caffeine activates your “fight or flight” system, which increases heart rate and blood pressure to prepare the body for action.
Blood Pressure Can Spike Noticeably
Even just one cup can raise systolic pressure by up to 14 mmHg and diastolic pressure by up to 13 mmHg – depending on your body’s sensitivity.
Age and Gender Influence the Effect
Younger people are more likely to experience stronger blood pressure reactions. Some studies suggest men metabolize caffeine faster than women.
Not All Coffee Is Created Equal
The strength of your brew matters. Espresso, drip coffee, and instant vary in caffeine content, which can impact how much your blood pressure changes.
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You Build Tolerance Over Time
Regular caffeine consumers may become less sensitive over time, as the body adapts and the effects on blood pressure begin to lessen.
Heart Conditions Require Extra Caution
For people with cardiovascular issues, caffeine can cause more dramatic and potentially risky blood pressure spikes.
Moderate Coffee Can Still Be Safe
Studies show that moderate daily coffee intake (1–3 cups) is not only safe for most people but may even lower blood pressure risk over time.
This article is based on information from Nyheder24
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