Study examines how the consumption of green tea and roasted green tea affects human responses during mental tasks, demonstrating that roasted green tea can enhance performance and reduce fatigue.
By Dr. Sanchari Sinha Dutta, Ph.D.Apr 15 2024 A study published in the journal Scientific Reports reveals the effects of green tea and roasted green tea consumption on human responses.
Studies investigating the health benefits of caffeine-rich teas have found that higher consumption of green tea can reduce mortality risk, increase fat oxidation, promote energy expenditure, reduce blood pressure, and reduce the risk of diabetes, colorectal cancer, and gastric cancer development. Study design The study was conducted on a total of 20 men aged 18 to 30 years. The participants were asked to complete the Subjective Fatigue Feeling questionnaire and respond to 18 psychological stress reaction times of the Brief Job Stress questionnaire. This questionnaire assessed their current stress level.
Important observations The subjective assessments related to the task performance revealed a significantly higher average problem level in the green tea session than in the water session. However, in the roasted green tea session, significantly higher response rates and correct responses were observed than in the water session.
Physiological responses In all conditions, the R-R intervals, heart rate variability components, and fingertip plethysmogram amplitude were reduced during the task periods compared to the resting periods.
Tea Antioxidant Blood Blood Pressure Brain Caffeine Cancer Cholesterol Colorectal Colorectal Cancer Diabetes Fatigue Gastric Cancer Heart Heart Rate Hemoglobin Mortality Stress
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