According to recent studies, drinking a few cups of coffee everyday can give many health benefits.
It could reduce the risk of contracting ovarian, liver and lower bowel cancer among others. However, as in the case of most food or drinks, overdrinking coffee can be harmful to health. Consuming a moderate amount of coffee like four to five regular sized cups on a daily basis is recommended.
If you were to drink a cup of caffeinated coffee, you might realize that the effects of the caffeine last only for two to three hours. Drinking another cup of caffeinated coffee might perk you up for the similar amount of time. However, after two-three cups of coffee, you would hardly feel the effects of the caffeine in the coffee. This is part of the law of diminishing returns at effect.
Hence, there is no point in overdrinking coffee. To enjoy moderate doses of fresh and hot coffee all day long, consider using a coffeemaker for homes.