Web Exclusive: Keeping your caffeine jitters in check with a new app

Web Exclusive

(CNN) - A new app will help keep track of your caffeine consumption and answer a key question: do you really need another cup of coffee?

The Jawbone's Up Band has been around with much popularity for a while, but now they are targeting our addictions with the app "Up Coffee."  The reason is simple: the more you track your consumption, the more aware you'll be of your over use of caffeine.

Here's how it works:  You enter in your drink choices as you make them throughout the day. The app will track the increasing quantity of caffeine in your body through simple ratings like: edgy, wired, or sleep ready.  If you go to have another cup of coffee, the app will advise you whether that is a good idea or not, based on your caffeine consumption so far that day.

From caffeine withdrawals to a hangover study. A new study finds if you've sworn off drinking while suffering through a hangover, chances are you probably won't stick to that promise.
The study was published in the journal "alcoholism: clinical and experimental research.  
Researchers at the University of Missouri collected data on the habits of nearly 400 young adults who are frequent drinkers. After a night of drinking when the effects of a hangover started to set in,  they rated the likelihood they'd drink again that night.

The findings conclude that having a hangover did not discourage or deter the participants from drinking again that same day.  So, having frequent hangovers, the researchers say, "at best" have a "modest or inconsistent" influence on a person's next drink.  The findings give those researchers a more complete picture on what fuels, and what could possibly deter drinking problems



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