Two cups aren't enough, says science.

Coffee doesn’t have the best reputation as a healthy beverage, despite several studies that suggest the contrary. The caffeinated drink is more than just a mood-stabilizer and morning savior. Among its many health benefits, researchers have linked it a lowered risk of Alzheimer’s disease and suggest it’s a worthy defender against cirrhosis of the liver.

Critics of the beloved bean juice have long maintained that coffee is bad for the heart, and considering too many cups tend to make people jittery, that rationale has gone mostly unchallenged. However, a new study published in PLOS Biology argues that there is an optimum amount of coffee intake that will maintain a healthy heart...

Two cups aren't enough, says science.

Coffee doesn’t have the best reputation as a healthy beverage, despite several studies that suggest the contrary. The caffeinated drink is more than just a mood-stabilizer and morning savior. Among its many health benefits, researchers have linked it a lowered risk of Alzheimer’s disease and suggest it’s a worthy defender against cirrhosis of the liver.

Critics of the beloved bean juice have long maintained that coffee is bad for the heart, and considering too many cups tend to make people jittery, that rationale has gone mostly unchallenged. However, a new study published in PLOS Biology argues that there is an optimum amount of coffee intake that will maintain a healthy heart...