Why does caffeine increas heart rate?

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Why does caffeine increas heart rate?

2007-01-20 04:43:01 · 3 answers · asked by kerry o 1 in Health ➔ Diet & Fitness

3 answers

It is a central nervous system and metabolic stimulant. It works in the brain as an adenosine antagonist and can increase levels of adrenaline, making the heart race.

2007-01-20 04:53:08 · answer #1 · answered by queenbee 3 · 0⤊ 0⤋

because it is a stimulant and it speeds up the brain and the nervous system which in turn increases your heart rate

2007-01-20 04:47:41 · answer #2 · answered by g_azanu 1 · 0⤊ 0⤋

it's a stimulant

2007-01-20 04:51:16 · answer #3 · answered by Wild Honey 4 · 0⤊ 0⤋