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The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Drinking a few cups of coffee every day may help prolong a person's lifespan and health span by 1.8 years, on average, claims a review with industry funding. Coffee may help prolong lifespan by ...
Along with a temporary pick-me-up, research has continued to show the longer-term health effects of coffee include a decreased risk of cancer, heart failure, Type 2 diabetes and even death.
“The stimulating effects of coffee can last for several hours, meaning that even if you drink it early in the day, it might still be affecting your ability to relax and fall asleep at night.”
Coffee drinkers may want to think twice before having large doses of caffeine several hours before bed — if they want a good night's sleep. A new study suggests that certain doses of caffeine ...
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]
When consumed in moderation, caffeine can have many beneficial effects. However, over the course of several years, chronic caffeine consumption can produce various long-term health deficits in individuals. Among these, rodent studies have suggested caffeine intake may permanently alter the brain's excitability. [23]
The researchers found that drinking three cups of coffee per day may lower your risk of developing conditions like type 2 diabetes, coronary heart disease and stroke by nearly 50%.