Does Coffee Dehydrate You?

Drinking coffee is a ritual for many. It is part of life, deeply ingrained in people's routines and often necessary for some. We drink coffee to feel alert, comforted, human.

Coffee can help us work faster and harder. It can keep us awake after a restless night and control mood swings.

If you are a coffee drinker, you may be wondering if your coffee is dehydrating you and if you should drink water to offset your coffee intake.

Does coffee really dehydrate you?

Many people believe that coffee contributes to dehydration. This belief stems from a very small but very influential study published in 1928.

In the decades that followed, "coffee dehydrates you" has become a kind of conventional wisdom that permeates (pun intended) as fact.

The 1928 study found that people who drank caffeinated coffee or tea urinated up to 50 percent more than people who did not drink these beverages.

However, what people did not interpret was that the authors also hypothesized that regular coffee consumption could produce a tolerance effect, meaning that people who drink coffee often do not experience a significant diuretic effect.

Subsequent studies have confirmed this hypothesis time and again:

A 2002 review of studies concluded that there is a "deep tolerance" to diuresis in habitual coffee drinkers and "there is no support for the suggestion that consuming caffeine-containing beverages as part of a normal lifestyle leads to loss of fluids. "

A 2002 individual study of caffeine and exercise performance found that coffee and other caffeinated beverages do not cause harmful electrolyte imbalances (electrolyte balance is a key factor in hydration).

A 2014 meta-analysis concluded that there is no risk of dehydration when drinking caffeinated beverages before exercise.

A 2014 study found that caffeine does not affect fluid balance or hydration status in healthy adults who drink coffee regularly.

A 2017 study found that coffee with higher caffeine content is more likely to affect electrolyte balance than coffee with lower caffeine content.

Coffee does not dehydrate you

Despite common and persistent belief, research does not support the claim that coffee dehydrates you.

We hope you enjoy watching this video about does coffee dehydrate you

Source:Thomas Frank

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