Tag: Minimum water needs

While the common wisdom suggests a person can only survive for about three days without water, this is a highly variable and dangerous guideline. The absolute minimum amount of water a person can survive on depends heavily on environmental conditions, activity level, and an individual's physiology.

According to the US Geological Survey, water makes up about 60% of the human adult body, highlighting its fundamental importance for survival. While the '8 glasses a day' rule is a popular starting point, the minimum intake of water per day is not a one-size-fits-all number and depends on several personal and environmental factors.