The sweet smell of … coffee
I knew it! There’s something about waking up and smelling coffee brewing that gets my day off to a good start. Scientists may now be on to part of the reason why I feel this way. Researchers subjected sleep-deprived rats to the smell of fresh coffee after 24 hours being kept awake. The rats that smelled the coffee had ramped up the activity of genes that reduce anxiety and ones that prevent cell damage. The rats that didn't smell the coffee didn't experience these positive effects. So while coffee is a stimulant, it seems it also holds some calming properties.
Science News reports it all, here.
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