Is your morning incomplete without a cup of coffee? Yes? Are you feeling dull and drowsy without a cup of coffee? What exactly does coffee do to keep you alert and active throughout the day?
Coffee contains a substance called caffeine. This caffeine increases the frequency of heart beat and keeps you active throughout the day.It stimulate the brain making you feel good.Caffeine is also present in coke, tea, milk, cholocate and even in pain killers.
1 comment:
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