Recent News: The Deep. Natalie Farrow was recently cast on Freeform's new pilot The Deep. They are waiting to see if it get's picked up, Catch Natalie Farrow's interview, talking all things iZombie and what it was like to play Ginger.
Caffeine can increase blood pressure; long term consumption at sufficiently high doses has been associated with chronic arterial stiffness. Blood pressure increases are mediated by adenosine receptor antagonism. Caffeine can cause vasoconstriction. It is unclear if caffeine causes increased heart rate as a side effect.
Caffeine-Related Health Problems. Cardiovascular Problems. Caffeine increases your heart rate, elevates your blood pressure, and can contribute to the development of heart disease. Both decaf and regular coffee increase your cholesterol and homocysteine, the biochemicals that science has linked to increased risk for heart attack.