green tea and Increased Happiness Score

• The relationship between green tea consumption and happiness.

  • 2025-11-21
  • Observational
  • Scientific reports 15(1)
  • • Megumi Shibata
    • Toshiyuki Ojima
    • Jun Aida

  • PubMed: 41271904
  • DOI: 10.1038/s41598-025-25104-2

  1 Insight on

  • Increased Happiness Score

  • Moderate evidence
  • Rigorous Journal

  Higher green tea intake was associated with higher happiness scores: Compared to non-tea drinkers, those who drank 4 or more cups of tea per day had a 0.23 point increase in happiness (95% CI 0.02-0.45, p = 0.032).

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes

  Dose

  4 or more cups per day