He added that individual factors such as age, activity level, climate, and overall health play a significant role in how much water you need and how susceptible you might be to conditions like water intoxication or dehydration.

“While guidelines provide a general framework, they aren’t universally applicable to every individual in every situation. For example, athletes who are involved in high-endurance activities might need to pay closer attention to their hydration and electrolyte levels, just as older adults or individuals taking certain medications might need to be more cautious with water intake.”

Source: https://www.buzzfeed.com/kristatorres/mom-dies-water-intoxication