That extra cup of coffee will not only perk you up, it could also lengthen your lifespan. A new study from researchers in Spain suggests that higher coffee consumption may be linked to a lower risk of death from heart disease, cancer, stroke, diabetes and other diseases.Those who drink at least four cups of coffee per day had a 64 percent lower risk of death than those who did not drink coffee, or drank small amounts.The study also suggested that those 45 and older had 30 percent lower chance of death if they drank two additional cups of coffee per day.The study was presented at the European Society of Cardiology Congress in Barcelona, Spain.