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Unformatted text preview: Affects on other Body Parts: Acts on cardiovascular centers in the brainstem and directly on the heart Large dose (500 mg) increases BP & HR (10-20 BPM) & can induce arrhythmia No significant effect of small dose in health individuals Caffeine Facts (contd) The Heart: Adenosine receptors in the kidneys caffeine affects these causing affects similar to diuretics - increased urine production Slows release of antidiuretic hormone from the brain The Kidneys: Acids, oils & caffeine in coffee can irritate lining of stomach and cause secretion of acids gastritis The GI Tract: Stimulates RR and causes bronchioldilation by relaxing smooth muscle The Respiratory System:...
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- Spring '08