Call it java, brew, mud, the a.m. savior, or just coffee. Many people can’t conceive of starting their day without their dose of caffeine. Lisa Pawloski (George Mason University) is a part of team of researchers who say coffee may reduce the risk of liver disease. Also featured: Some of us are more apt to succumb to a calorie-rich Frappuccino over a simple cup of coffee. But Niels Christensen (Radford University) says there are ways to avoid unhealthy decisions and strengthen your willpower. And: People who are addicted to drugs tend to choose instant gratification, without thinking of the long term costs. Warren K. Bickel (Virginia Tech) is looking at ways of curbing addiction by increasing the value of future rewards in the minds of addicts.

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