Caffeine overdose can induce comas after about 5 grams of consumption, but, one study found that just 1 gram a day significantly increases your risk of sudden cardiac arrest.

摄入约 5 克咖啡因过量会导致昏迷， 但一项研究发现，每天仅摄入 1 克咖啡因会显着增加心脏骤停的风险。