3. Drinking Too Much Coffee
Many of us have had a cup of coffee, only to feel the unfortunate side effects of feeling jittery and anxious afterwards. “Caffeine raises your heart rate and causes us to have that nervous feelings and to feel agitation,” says Martinez. And for people who are already prone to anxiety, caffeine can exacerbate those effects. According to WebMD, caffeine can lead to sweaty palms, a pounding heart, ringing in the ears, and even a full-blown panic attack.