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Effects of Coffee Types on Wellness
Comparison of benefits derived from caffeinated vs decaffeinated coffee.
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Scientists identify how coffee fights aging and boosts overall health ...
Billions of people have a morning coffee routine – brew it, drink it, and transition from “eyes barely open” to “ready for anything” as the caffeine unlocks their peak productivity. It’s an important ritual woven into daily life, often dismissed as a small indulgence.But research keeps pointing in another direction. A cup of coffee may be doing far more than just boosting your energy. A new study from Texas A&M University reveals how compounds in coffee interact with a receptor inside your cells.This interaction may help explain why coffee drinkers often live longer and face fewer diseases.Aging benefits of coffeeScientists have studied coffee for years. Large population studies show a clear trend. People who drink coffee regularly tend to have lower risks of conditions like diabetes, heart disease, and some cancers. They also show lower overall mortality.This pattern has puzzled researchers. Coffee is only a small part of the diet. Yet its effects appear wide-reaching.“Coffee has well-known health-promoting properties,” said Dr. Stephen Safe, distinguished professor and a co-author of the study. “What we’ve shown is that some of those effects may be linked to how coffee compounds interact with this receptor, which is involved in protecting the body from stress-induced damage.”Most explanations have focused on antioxidants. Coffee contains many compounds that reduce inflammation. But how these effects translate into long-term health has remained unclear.Coffee and NR4A1The new research focuses on a receptor called NR4A1. This receptor sits inside cells and responds to certain molecules. When activated, it can change how genes behave.NR4A1 becomes active during stress or injury. It helps limit damage and supports recovery.“If you damage almost any tissue, NR4A1 responds to bring that damage down,” Safe explained. “If you take that receptor away, the damage is worse.”Animal studies support this role. Mice without this receptor show more severe injury. Those with it intact tend to live longer. In humans, levels of NR4A1 decline with age, which makes its function even more important.Brewing coffee for lab testingThe researchers used real coffee from several countries, including Colombia and Guatemala. They prepared the coffee in a way that reflects everyday use.They then tested both whether coffee extracts could bind to NR4A1 and individual compounds found in coffee.Advanced methods allowed them to measure how strongly each compound attached to the receptor.C...
Scientists Just Discovered What Coffee Is Really Doing ... - ScienceDaily
Researchers at APC Microbiome Ireland, a leading research center at University College Cork, have taken a major step toward understanding how coffee benefits the body. For the first time, scientists have closely examined how coffee interacts with the gut-brain axis, the communication network that links the digestive system and the brain. The findings, published in Nature Communications and supported by the Institute for Scientific Information on Coffee (ISIC), show that regularly drinking both caffeinated and decaffeinated coffee can shape the gut microbiome and influence mood and stress. How Coffee Affects the Gut Microbiome and Mood Coffee has long been associated with digestive and mental health benefits, but the biological reasons behind these effects have not been fully understood. This study focused on how coffee impacts the microbiota-gut-brain axis -- the bidirectional communication between the gut microbiome and the brain -- using a wide range of biological and psychological measurements. To explore this, researchers compared 31 regular coffee drinkers with 31 people who do not drink coffee. Participants completed psychological assessments, tracked their diet and caffeine intake, and provided stool and urine samples so scientists could analyze changes in gut bacteria and emotional state. In this study, "coffee drinkers" were defined as individuals who typically consume 3-5 cups of coffee per day, a level considered safe and moderate by the European Food Safety Authority (EFSA). Study Design Reveals Microbiome Changes At the start of the experiment, coffee drinkers stopped consuming coffee for two weeks. During this period, researchers continued to collect biological samples and monitor mental health. This break led to clear shifts in the metabolites produced by gut microbes in regular coffee drinkers, setting them apart from non-coffee drinkers. After the abstinence phase, coffee was gradually reintroduced without participants knowing whether they were drinking caffeinated or decaffeinated coffee. Half received decaf, while the others consumed regular coffee. Both groups reported improvements in mood, including lower levels of stress, depression, and impulsivity. These results suggest that coffee can enhance mood even without caffeine. Key Gut Bacteria Linked to Coffee Consumption The study also identified specific bacteria that were more common in coffee drinkers. Levels of 'Eggertella sp' and 'Cryptobacterium curtum' were higher among those who...
Is Coffee Good for You? 13 Health Benefits to Know - GoodRx
Coffee may be better for you than previously thought, according to recent research. We uncover its potential health benefits and whether decaf is just as good.
Drinking coffee linked to slower aging and better health
Coffee has long carried an unusual reputation in nutrition research. It is a daily habit, not a medicine, yet study after study has tied it to longer life and lower risk of diseases that often come with aging. Now a team at Texas A&M University says it may have found part of the biological machinery behind that pattern. In research published in Nutrients, scientists at the Texas A&M College of ...
