Why is that water is needed to live as opposed to alternative liquids? If coffee is just bean-flavoured water, why couldn’t you survive by only drinking coffee? If you were lost on a desert island and had only coffee, juice or soda to drink, could you survive?

Question

Why is that water is needed to live as opposed to alternative liquids? If coffee is just bean-flavoured water, why couldn’t you survive by only drinking coffee? If you were lost on a desert island and had only coffee, juice or soda to drink, could you survive?

In: Biology

Answer 1

Back in the day, people didn’t have access to pure water. This is why medieval people are shown drinking a lot of beer or ale; the process of making the beer would “purify” the water.