WEDNESDAY, Nov. 12, 2025 (HealthDay News) — A cup of coffee might actually benefit some people with a common heart rhythm disorder, a new study says. Adults with atrial fibrillation who drank a daily cup of coffee were 39% less likely to have an episode of irregular heart rhythm, comparedContinue Reading

WEDNESDAY, Sept. 10, 2025 (HealthDay News) — Your morning cup of coffee might harm the quality of a blood donation provided later in the day, a new study says. Caffeine appears to impair donated blood in ways that reduce the effectiveness of future transfusions, researchers report in the journal Haemotologica.Continue Reading