I won't tell you to stop using caffeine, but be aware of its effects and at least try to limit your use.

I now use caffeine judiciously, when I really need it.

None of the participants were allowed to use any drugs, alcohol, tobacco or caffeine for at least two weeks before the study began.

However, this effect might be less in people who use caffeine regularly.

But again, it may not have this effect in people who use caffeine regularly.

They recommend that people use caution when using caffeine before a workout.

If you stop using caffeine, you could get withdrawal symptoms.

Do not use caffeine and ergotamine if you are pregnant.

Use an effective form of birth control while you are using caffeine and ergotamine.

Do not use caffeine and ergotamine without telling your doctor if you are breast-feeding a baby.