Habitual coffee and tea drinkers experienced increases in blood pressure after consuming low to moderate doses of caffeine; these increases were larger upright than in the supine posture

Caffeinated Coffee Consumption, Cardiovascular Disease, and Heart Valve Disease in the Elderly (from the Framingham Study)

(2008) James A. Greenberg et al.   AMERICAN JOURNAL OF CARDIOLOGY

Caffeinated energy drinks—A growing problem

(2008) Chad J. Reissig et al.   DRUG AND ALCOHOL DEPENDENCE

Human in vivo research on the vascular effects of adenosine

(2008) Niels P. Riksen et al.   EUROPEAN JOURNAL OF PHARMACOLOGY

Coffee consumption and risk of coronary heart diseases: A meta-analysis of 21 prospective cohort studies

(2008) Jiang-nan Wu et al.   INTERNATIONAL JOURNAL OF CARDIOLOGY

Aortic stiffness and the balance between cardiac oxygen supply and demand: the Rotterdam Study

(2008) Ilja Guelen et al.   JOURNAL OF HYPERTENSION

Validation of brachial artery pressure reconstruction from finger arterial pressure

(2008) Ilja Guelen et al.   JOURNAL OF HYPERTENSION

Timing of Blood Pressure Measurement Related to Caffeine Consumption

(2007) Jane R Mort et al.   ANNALS OF PHARMACOTHERAPY

Timing of caffeine's impact on autonomic and central nervous system measures: Clarification of arousal effects

(2007) Robert J. Barry et al.   BIOLOGICAL PSYCHOLOGY