Could it be that people drinking 3-5 cups of coffee per day are doing it for a reason. They need to stay mentally alert. Whereas people who don't drink that much coffee are not working on tasks that are as mentally taxing. People who can drink 3-5 cups a day are probably in an office.
Could it be that people drinking 3-5 cups of coffee per day are doing it for a reason. They need to stay mentally alert. Whereas people who don't drink that much coffee are not working on tasks that are as mentally taxing. People who can drink 3-5 cups a day are probably in an office.
Rhose fluorescent lights
Rhose fluorescent lights
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