Coffee has become a staple in many people’s morning routines, with its rich aroma and energizing effects helping kickstart the day. However, the debate around the health benefits and risks of caffeine consumption continues to be a topic of interest. While some studies suggest that caffeine could lower the risk of certain cancers, others warn of potential harm to heart health.
A recent study delves into the impact of coffee consumption on cardiovascular health, specifically focusing on the timing of coffee intake. The study, conducted between 1999 and 2018, included a sample size of 40,725 individuals, with a sub-group of 1,463 individuals who completed a food diary. The findings revealed that morning coffee drinkers, specifically those who consumed coffee between 4 am and 11:59 am, were less likely to die of any cause during the study period, and significantly less likely to die of cardiovascular disease.
Interestingly, the study did not find a similar association between all-day coffee drinking and premature death. Those who consumed two or more cups of coffee in the morning, including heavy coffee drinkers who consumed three or more cups, experienced the most benefits. Even those who drank just one cup of coffee in the morning also saw a positive impact, though to a lesser extent. These results held true even after adjusting for other factors such as tea and caffeinated sodas, as well as sleep duration and quality.
Dr. Lu Qi, the lead author of the study, speculated that the timing of coffee consumption could play a role in its effects on cardiovascular health. Consuming coffee later in the day may disrupt circadian rhythms and hormone levels, leading to an increased risk of cardiovascular issues such as inflammation and high blood pressure.
Despite the ongoing debate surrounding caffeine consumption, coffee remains a popular beverage worldwide. A recent study by Deloitte highlighted the impact of rising coffee prices on consumer behavior. More than half of respondents in 13 countries reported brewing coffee at home more frequently due to increased costs. Instant coffee emerged as the preferred choice for home consumption, with approximately 39% of respondents globally opting for this convenient option.
In conclusion, the latest research suggests that consuming coffee in the morning may have positive effects on cardiovascular health, particularly in reducing the risk of cardiovascular-related death. However, the benefits seem to be most pronounced for those who drink multiple cups of coffee in the morning. As the debate around caffeine and its health effects continues, it is essential for individuals to consider their own unique health circumstances and consult with healthcare professionals for personalized advice.
Source: European Heart Journal
Title: ‘Coffee drinking timing and mortality in US adults’
Published on: 8 January 2025
DOI: https://doi.org/10.1038/s41564-024-01870-z
Authors: X. Wang, H. Ma, Q. Sun, J. Li, Y. Heianza, R. M. Van Dam, F. B. Hu, E. Rimm, J. E. Manson, L. Qi
