Water rarely makes headlines, yet it quietly keeps every cell alive. About 60 percent of the adult human body is made of water. Even mild fluid loss can affect mood, memory, skin, and digestion. The problem is that thirst is not always an early warning sign. …
Needs vary by age, climate, and activity. Many health authorities suggest around 2 to 3 litres of fluids per day for adults, including water from food. However, individual needs differ.
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