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Caffeine, Mental Well-Being, and Psychiatric Disorders

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Nutrition and Psychiatric Disorders

Abstract

Caffeine is the most consumed substance in the world. It is well known to affect alertness and interfere with sleep. Caffeine acts as an adenosine antagonist and indirectly affects other neurotransmitters. DSM-V lists four disorders directly related to caffeine intake. Caffeine interferes with anxiety and sleep disorder. Studies have shown positive effect of caffeine on neurocognitive function, such as Alzheimer’s and Parkinson’s disease. Caffeine is found to improve some elements of depressive disorder, such as amotivation symptom, and it is widely used during the electoral convulsive therapy to lower seizure threshold. It can decrease the lithium level, which might precipitate switch to manic or hypomanic episode and bipolar disorder. Further research and randomized control trials are needed to establish the relationship between caffeine and psychiatric effects.

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Correspondence to Ahmed Radwan .

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© 2022 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Radwan, A. et al. (2022). Caffeine, Mental Well-Being, and Psychiatric Disorders. In: Mohamed, W., Kobeissy, F. (eds) Nutrition and Psychiatric Disorders. Nutritional Neurosciences. Springer, Singapore. https://doi.org/10.1007/978-981-19-5021-6_10

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