A new study has found a positive association between morning caffeine intake and improved mood throughout the day. Researchers from Bielefeld University and the University of Warwick observed 236 young Germans over 4 weeks. Participants reported feeling happier and more enthusiastic for 2.5 hours after consuming caffeine, with more pronounced effects in the morning. The study's senior author noted that around 80% of adults worldwide consume caffeinated beverages, a practice dating back in human history. The mood-boosting effects are attributed to caffeine's impact on adenosine receptors, which can increase dopamine activity in the brain. Experts generally recommend no more than 400mg of caffeine per day, around 4 cups of coffee. In addition to improved mood, coffee consumption has been linked to reduced inflammation and lower risks of chronic diseases like diabetes, dementia and cancer. (NY Post)
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