Do Coffee Drinkers Really Fall into 3 Groups?

A new report divides coffee lovers into three groups depending on how their bodies respond to caffeine. But as fun as it is for caffeine drinkers to figure out which group they fall into, not all experts are on board with the report's clear-cut conclusions. According to the report, which was published June 6 by the Institute for Scientific Information on Coffee (ISIC), the answer lies in our genes. Specifically, caffeine sensitivity depends partly on a liver enzyme called CYP1A2, which is code

What Would Happen If You Were to Drink Five 5-Hour Energy Drinks at Once?

A standard cup of coffee contains around 100 milligrams of caffeine; a Red Bull has 80 mg. But according to the Center for Science in the Public Interest, one caffeinated beverage manages to pack around 200 mg of caffeine into less than 2 fluid ounces (56 milliliters): 5-hour Energy. So, what would happen if you were to drink five 5-hour Energy shots at once? Would you gain 25 hours of energy? Or would the consequences be more severe?

How Bats Could Help Scientists Stop Ebola Outbreaks Before They Start

The current Ebola outbreak in the Democratic Republic of Congo has spread to at least 58 people, and has killed nearly half of those individuals, according to an update today (May 23) from the World Health Organization (WHO). This is the nation's ninth Ebola outbreak since 1976, when the deadly virus was first discovered in a village near the country's Ebola River. But what if scientists were able to predict Ebola outbreaks and stop them before they even started?