Does Coffee Actually Dehydrate You?
The majority of people can drink coffee without risk of dehydration. Mild dehydration may become more
likely if one consumes more than four cups of liquid every day. In addition to ensuring that you
can enjoy your coffee beverages and keep hydrated, drinking lots of water throughout the day can help
reduce the negative effects of caffeine. It's not true that dehydration causes dry mouth after
drinking coffee. Coffee has a bitter flavor and causes dry mouth due to the presence of tannins. Saliva becomes
thicker and less lubricating when tannins attach to proteins in it, which causes a dry mouth feeling.
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