In general, we believe that the research shows that caffeine is pretty good for you. There are a lot more positive effects than negative effects.
But, any substance taken in high amounts is going to have some negative effects for some people. Even drinking too much water can be bad for you.
Below are the most well-validated negative effects of caffeine that we have seen so far. In general, these mostly applied to patients with specific conditions, who should consider reducing their caffeine intake if it causes them to have symptoms.
Top 3 Bad Effects of Caffeine
More Information on Caffeine
The Benefits and Drawbacks of Caffeine
Keys to Health
If you have migraine headaches, high blood pressure, or an anxiety disorder, you may want to think about cutting back on your coffee intake if it is causing you to have symptoms.
If you don’t have any of the above conditions or any similar symptoms, then drinking coffee or tea in moderation should be pretty good for you.