People who regularly drink caffeine and tend to ruminate excessively do not show the typical decrease in cortisol levels that is linked to depression risk, indicating that caffeine might affect how the body responds to stress in this group.

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Evidence from Studies

Supporting (1)

39

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39

Habitual Caffeine Use Is Associated With Heightened Cortisol Reactivity to Lab-Based Stress in Two Samples

Cross-Sectional Study

Human

2024 Oct 1

People who drink caffeine regularly don’t show the usual drop in stress hormone (cortisol) that’s linked to depression risk, while non-drinkers do. This suggests caffeine might hide this warning sign in the body.

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Source Study

Habitual Caffeine Use Is Associated With Heightened Cortisol Reactivity to Lab-Based Stress in Two Samples

Score: 39

DOI: 10.1097/PSY.0000000000001334

Similar Assertions

Studies have found that the effect of rumination on cortisol levels varies between groups, which may be because caffeine use and depression risk factors interact differently depending on the environment or other unknown factors.

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