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 occurs naturally in more than 60 plants including coffee beans, tea. leaves, kola nuts used to flavor soft drink colas, and cacao pods used to make. chocolate products. Man-made caffeine is sometimes added to foods, drinks, and. medicines. Ninety percent of people in the world use caffeine in one form or. another. In the U.S., 80 percent of adults consume caffeine every day â the. average adult has an intake of 200 mg per day, the amount in two 5-ounce cups. of coffee or four sodas. A study of 7th, 8th, and 9th grade students in Ohio found. that students took in an average of 53 mg of caffeine per day, but almost one in.