Coffee in general offers many benefits if consumed in moderation. It is suggested that 1 to 2 cups per day can have a positive impact on your health.
Coffee can affect the human body in several ways, depending on the level of caffeine. Too much caffeine can increase your heart rate and raise your blood pressure. Excessive caffeine can also cause headaches and migraines and can increase irritability.
In terms of effects of caffeine on the body, when drinking in moderation, caffeine can definitely make you more alert, productive and less tired.
Once coffee has been consumed and ingested, it is absorbed into the bloodstream and travels fairly quickly to your brain.
Once caffeine reaches the brain, it stimulates the central nervous system. In moderate quantity, this can have a positive impact on your body, whereas excessive caffeine will more than likely have a negative impact.