| Definition: "An ergogenic aid is any substance or phenomenon that enhances performance " 
 
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| 14.04.2012 | 
|  | Safe to drive on the motorway after cup of coffee 
 A few days ago we wrote about Dutch research which showed that car drivers were more alert during a four-hour journey if they had drunk a can of Red Bull. If you're not into energy drinks, then the researchers have an alternative that works just as well: an old-fashioned cup of coffee. 
 
 
 The researchers measured fluctuations in speed as the subjects drove [SDP] and their ability to keep driving straight [SDLP]. The researchers discovered that the subjects drove better after they had drunk 'real' coffee in the break than after drinking decaf. 
 
 
 
 The caffeinated coffee also helped reduce fatigue [KSS]. 
 "The present study demonstrates that one cup of caffeinated coffee has a positive effect on continuous highway driving in non-sleep restricted, healthy volunteers", the researchers conclude. 
 
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