What are tea side effects?

The side effects of tea are mainly related to excessive drinking, including affecting sleep quality, causing gastrointestinal discomfort, affecting iron absorption, etc. Details are as follows:

1. Affecting sleep quality

Tea contains a certain amount of caffeine and theophylline, which can stimulate nerves and lead to nervous excitation. If you drink tea before bed, it may cause insomnia and affect sleep quality

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