4. Your blood pressure is soaring.
That increased heart rate after a few cups of coffee isn’t the only change your Starbucks fix could be having on your cardiovascular health. Researchers at Wageningen University in The Netherlands have linked coffee consumption of over five cups a day to increases in blood pressure, potentially putting you at risk for hypertension and stroke.
5. You’re anxious.
Those rapid thoughts and your nervous energy could be more than just run-of-the-mill stress. “This has to do with caffeine increasing your heart rate by triggering the hormones cortisol and adrenaline, thus resulting in a short-term stress response,” says Hundt.
