968: Bottled Water | Skeptical Sunday

Health Risks

Consuming excessive amounts of water can lead to severe health risks, including water intoxication. Andrew Gold explains that this condition can cause confusion, vomiting, and hyponatremia, where diluted electrolytes cause cells to swell, potentially leading to life-threatening brain swelling. He notes that symptoms of hyponatremia can be mistaken for dehydration, sometimes resulting in fatal misdiagnoses 1. Jordan Harbinger shares a personal anecdote about being told he drinks too much water by extreme athlete friends, highlighting the importance of balance 2.

There are reports of soldiers dying from this during exercises and activities after drinking more than five liters of water in just a few hours.

--- Andrew Gold

Andrew also mentions that some people have a compulsion to drink water excessively, which can be particularly dangerous for those with certain mental health conditions.

   

Case Studies

Real-life cases of water intoxication illustrate the dangers of overhydration. Jordan Harbinger compares the sensation to waterboarding, emphasizing the misery of feeling like you're drowning without actually consuming water 3. He asks about the mechanism of how excessive water intake can be fatal, to which Andrew responds with examples of athletes and soldiers who have died from drinking too much water 4.

It's a bit like waterboarding, but with waterboarding, they don't make you actually consume the water, but you still feel like drowning.

--- Jordan Harbinger

These cases underscore the importance of understanding and recognizing the symptoms of water intoxication to prevent such tragedies.