Caffeine is one of the world's most popular drugs and has been widely studied by researchers for its effects on people. As a stimulant, caffeine has well-known side effects, such as increased alertness. It can also increase your reflex times, though you should talk to your doctor about potential health risks if you plan on using caffeine regularly.
Caffeine
Caffeine is a mild central-nervous system stimulant that is widely available in drinks such as coffee, tea and soft drinks. It is also present in some medications and dietary supplements. According to the University of Illinois at Urbana-Champaign, drinking about 300 mg of caffeine per day is generally considered safe. An average cup of brewed coffee contains between 95 and 200 mg of caffeine, according to MayoClinic.com, while a soft drink contains about 35 mg.
Caffeine and Reflexes
There have been numerous studies that have examined how caffeine affects your reflexes and reaction time. Several studies have confirmed that your reaction times generally improve with moderate amounts of caffeine. According to Clemson University, one study showed that the amount of caffeine in a single cup of coffee decreased the reaction times in study participants and increased their ability to ignore distractions. These effects occur quickly, within minutes of ingesting caffeine.
Caffeine, Alcohol and Reflexes
Apart from caffeine's general affect on your reflexes, it also has an effect on you when you're inebriated. You might use caffeine after you get drunk in an attempt to sober up and think more clearly. However, according to the University of Utah College of Pharmacy, inebriated people who use caffeine only feel more alert. Your reflexes, coordination and reaction times are still significantly impaired as a result of the alcohol in your system.
Other Effects
Drinking caffeine can increase your reaction time and reflexes, but there are also potential downsides of which you should be aware. According to MayoClinic.com, getting more than about 600 mg of caffeine may lead to negative effects such as insomnia, restlessness, nervousness, irritability and increased heart rate. If you experience these symptoms when ingesting caffeine, moderate how much you get each day and see a physician.
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