The Hard Shoulder What does coffee do, exactly?
Jun 9, 2025
Dive into the intriguing world of coffee and its health impacts! Experts discuss how three to five cups may actually be beneficial, especially for cognitive function. They also weigh in on the effects of caffeine for vulnerable groups and the importance of moderation. Learn about the surprising benefits of decaffeinated options and how coffee can influence sleep quality. This conversation has everything coffee lovers need to know to enjoy their brew guilt-free!
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Coffee's Health 'Sweet Spot'
- Drinking three to five cups of coffee daily hits the health "sweet spot" with benefits like lower cardiovascular disease risk.
- Coffee contains thousands of chemicals beyond caffeine that likely contribute to these positive effects.
How Coffee Enhances Alertness
- Caffeine blocks brain adenosine receptors, reducing sleepiness and boosting alertness and short-term memory.
- Coffee also contains fiber contributing modestly to daily intake and aiding digestion.
Who Should Limit Coffee Intake
- People with anxiety, high blood pressure, menopausal women, and pregnant women should limit coffee due to potential health risks.
- Unfiltered coffee can raise cholesterol and may not be suitable for some cardiovascular patients.