Respuesta :

Caffeine = stimulant. So it adds to physiological arousal that stress can produce. It will increase heart rate, alertness, and insomnia in some people. It can decrease fatigue and improve concentration. If you have high stress or anxiety, caffeine would not be recommended.

Answer:

Caffeine and stress can both elevate cortisol levels. High amounts of caffeine can lead to the negative health effects associated with prolonged elevated levels of cortisol. However, small to moderate amounts of caffeine can lift your mood and give you a boost. Caffeine can raise your heart rate and cause  extra heartbeats. And using large amounts of it for long periods can increase your risk of having a heart attack.

Explanation:

Hopefully this is right.