What's happening inside your bodies if you're drinking coffee every single day?

【小题1】

In addition to preventing diseases, coffee's caffeine content is directly linked with your brain. These effects are especially seen at low levels of consumption （about 75 mg）. Caffeine has been associated with positive action on the brain. It improves mental alertness, mood and attention, and helps with concentration. A 2013 study found that those who drank two to three cups of caffeinated coffee a day felt less depressed, possibly because caffeine's stimulant （刺激性的）effect helps further people's moods.

It might improve memory preservation.

While caffeine's positive effect on alertness, attention, concentration, and mood is not such a surprise, its ability to improve memory preservation is based on a fairly new study. We conclude that caffeine strengthens preservation of long-term memories in humans. 【小题2】 Nor will it always prove to have a positive impact on productivity.

It might help you become a better athlete.

Coffee-loving athletes: you're in luck. 【小题3】 The all-natural caffeine in coffee has been associated with improved physical performance, especially in aerobic （有氧的）or endurance exercise. The recommended amount of caffeine is 2-6 milligrams per kilogram of body weight. 【小题4】

It might badly affect your daily routine if consumed too much.

【小题5】 If too much coffee is consumed, some individuals may experience side effects, such as anxiety, panic, restless sleep, and caffeine dependence. The most serious symptom is a headache. As with overdoing anything, death is also a possibility.