Coffee, tea, caffeine and risk of depression: A systematic review and dose–response meta-analysis of observational studies

Giuseppe Grosso, Agnieszka Micek, Sabrina Castellano, Andzrej Pajak, Fabio Galvano

This study suggests a protective effect of coffee and, partially, of tea and caffeine on risk of depression.

Systematic review

2 effects

1998-2015

346913 subjects

Determinants	Outcome	Details
Minor Protective Factor Green Tea Beverage	Minor decreased risk of Depression Brain system	Moderate evidence -30.0%
Minor Protective Factor Coffee (Caffeine) Beverage	Minor decreased risk of Depression Brain system	High evidence -24.0%