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Moderate Caffeinated Coffee and Tea Intake Linked to 18% Lower Dementia Risk in Decades-Long Study
Neurologycaffeinecognitive health

Moderate Caffeinated Coffee and Tea Intake Linked to 18% Lower Dementia Risk in Decades-Long Study

By MedXY|Feb 10, 2026

A prospective study of over 130,000 adults reveals that consuming 2-3 cups of caffeinated coffee or 1-2 cups of tea daily significantly reduces dementia risk and cognitive decline, whereas decaffeinated coffee shows no protective effect.

Caffeinated Coffee Linked to 39% Lower Risk of Atrial Fibrillation Recurrence: Results from the DECAF Randomized Trial
Cardiologyarrhythmiaatrial fibrillation

Caffeinated Coffee Linked to 39% Lower Risk of Atrial Fibrillation Recurrence: Results from the DECAF Randomized Trial

© 2026 MedXY
Contact usAbout usPrivacy PolicyMedXY story
By MedXY|Feb 9, 2026

The DECAF randomized trial challenges the traditional view of caffeine as a trigger for atrial fibrillation, demonstrating that coffee consumption significantly reduces arrhythmia recurrence after cardioversion compared to total abstinence.

Daily Caffeinated Coffee After Cardioversion Cuts Atrial Fibrillation Recurrence: Results from the DECAF Randomized Trial
Cardiologyatrial fibrillationcaffeine

Daily Caffeinated Coffee After Cardioversion Cuts Atrial Fibrillation Recurrence: Results from the DECAF Randomized Trial

By MedXY|Nov 10, 2025

The DECAF randomized trial found that encouraging caffeinated coffee consumption (≈1 cup/day) after successful cardioversion reduced clinically detected AF/flutter recurrence over 6 months versus caffeine abstinence (47% vs 64%; HR 0.61). R

Internal Medicinecaffeinesleep quality

Navigating the Caffeine-Sleep Dilemma in Athletic Performance Enhancement

By MedXY|Nov 4, 2025

Caffeine boosts sports performance but may impair sleep quality, especially when consumed later in the day. Individualized strategies balancing caffeine intake and sleep hygiene can optimize athlete performance and recovery.

Low-Dose Caffeine Boosts Cognitive Function but Not Physical Performance in Fatigued Taekwondo Athletes: Insights from a Randomized Crossover Trial
Family Medicine & Nutritioncaffeinecognitive function

Low-Dose Caffeine Boosts Cognitive Function but Not Physical Performance in Fatigued Taekwondo Athletes: Insights from a Randomized Crossover Trial

By MedXY|Oct 5, 2025

A 200 mg caffeine dose enhances cognitive processing by reducing brain fatigue markers without improving physical performance in fatigued Taekwondo athletes. The findings underscore caffeine’s selective benefit on mental function over

A Caffeine and Theacrine Combination Enhances Cognitive Performance in Tactical Personnel Under Physical Fatigue
Clinical Updatescaffeinecognitive performance

A Caffeine and Theacrine Combination Enhances Cognitive Performance in Tactical Personnel Under Physical Fatigue

By MedXY|Oct 5, 2025

Combining caffeine with theacrine improves cognitive and physical performance in tactical personnel during physically fatiguing conditions, offering benefits beyond caffeine alone and reducing common side effects.

Daily Coffee: A Natural Ally Against Liver Damage? Exploring the Science Behind the Buzz
Family Medicine & Nutritioncaffeinecoffee

Daily Coffee: A Natural Ally Against Liver Damage? Exploring the Science Behind the Buzz

By MedXY|Oct 4, 2025

Emerging research suggests that drinking a daily cup of coffee could reduce the risk of liver damage by up to 30%, offering new hope in liver health management.

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