Daily Coffee: Impact on Heart Health and Longevity

Coffee’s health effects have long sparked debate, but recent research suggests that moderate daily consumption may offer protective benefits for the heart and overall longevity. Dr. José Abellán, a cardiologist, explains that while coffee causes a temporary increase in heart rate and blood pressure due to caffeine, long-term studies show it is associated with a lower risk of cardiovascular disease, stroke, certain cancers, and type 2 diabetes. He notes that up to 400 milligrams of caffeine per day—equivalent to about three to five standard cups—is considered safe for healthy adults by the European Food Safety Authority (EFSA), with a lower limit of 200 milligrams recommended for pregnant individuals. Large population studies, including analyses of the UK Biobank with over 449,000 participants followed for more than 12 years, reveal a consistent pattern: habitual coffee drinkers have reduced risks of total and cardiovascular mortality, heart failure, stroke, and certain arrhythmias. The strongest benefits appear among those consuming two to five cups daily, particularly when drinking ground or instant coffee rather than decaffeinated versions. Abellán emphasizes that coffee is more than just caffeine—it contains bioactive compounds such as chlorogenic acids, diterpenes, trigonelline, phenolic acids, melanoidins, and minerals like magnesium and potassium, which contribute to its complex health effects. While the immediate stimulant effect of caffeine leads to heightened alertness, concentration, and renewed energy by increasing neuronal activity and releasing neurotransmitters like dopamine and norepinephrine, these same mechanisms temporarily affect the cardiovascular system. Despite this short-term impact, the cardiologist states that within the context of a healthy lifestyle, the evidence indicates coffee consumption can be beneficial over time. He similarly highlights that even decaffeinated coffee may be advisable, challenging the notion that only caffeinated versions offer health advantages. Abellán concludes that regular coffee drinkers may experience fewer heart-related illnesses and potentially longer lifespans, reinforcing the idea that this widely consumed beverage can be part of a healthy routine when consumed in moderation.