Caffeine can increase blood pressure?

It seems the entire world is addicted to the caffeine in coffee and tea, and this may be the most popular drug of all.

The use of caffeine expanded with explosion of energy drinks in the last few years, especially with the younger people who did not drink coffee.

Caffeine consumption comparable to the most in 2 to 3 cups of coffee may raise blood pressure, particularly in people with hypertension or borderline high blood pressure.

The Okayama University researchers found that caffeine is an angiotensin blocker and increases blood pressure 5 to 10 mmHg.

Caffeine also the important contributor to the extreme incidence of hypertension. It raises blood pressure by elevating vascular resistance.

Excessive caffeine can elevate blood pressure significantly and produce nervous anxiety. This is particularly true when caffeine is combined with phenyl-propanolamine, the appetite suppression in commercial diet pill.

While caffeine produces a sharp spike in blood pressure in people using it for the first time, several studies show that in people with normal blood pressure, the rise is temporary, and blood pressure soon returns to normal.
Caffeine can increase blood pressure?