Drink coffee: Awake no more than 10 minutes?
It's no surprise that coffee is popular all over the world, but the caffeine in this favorite drink only works for 10 minutes.
An earlier study also showed that alertness increased for nearly 1 hour after drinking coffee, but the latest study showed that it only really increased excitement in 10 minutes only.
According to the research team leader Ana Adan, "45 minutes is the maximum amount of time caffeine" stays "in the blood, but this level will be halved in just a few minutes" melting "into the blood.
However, the degree of maintaining a sense of alertness and excitement from coffee in both sexes is also different and men are often longer than women. And there are exceptions, caffeine can affect nerves 2 - 3 hours, even 4 - 5 hours. This depends on the body's sensitivity as well as its ability to metabolize and age.
This result is derived from the experiment on 668 university students (238 male and 450 female). Caffeine in the blood is measured at the time before and after drinking at a distance of 10, 20 and 30 minutes at times: noon (11am - 13pm) and afternoon (4pm - 6pm) to assess the effect of caffeine in Different times of the day.
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