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Is Peeing ‘Just in Case’ Bad for Your Bladder Health?

Q: A urologist recently told me I shouldn’t go to the bathroom “just in case.” Is that true?

As children, many of us were encouraged to pee before we left the house or whenever a bathroom was nearby. There was a good reason: using the bathroom “just in case” can help prevent accidents among children prone to “holding it.”

Urologists call this practice “convenience” or “proactive” voiding, and people of all ages do it, often before heading out the door or going to sleep.

An occasional “just in case” bathroom break won’t do much harm, said Dr. Ariana Smith, a professor of urology at the University of Pennsylvania Perelman School of Medicine. But doing it several times a day, she said, can increase the likelihood of bladder issues by disrupting the natural feedback loop between your bladder and your brain.

To understand why proactive voiding can be harmful, it helps to know how the bladder works. As your kidneys filter blood to remove waste, they produce urine, which is carried to your bladder. Women can typically hold up to 500 milliliters of urine, or around two cups, in their bladders; men can store 700 milliliters, or nearly three cups.

We generally feel the urge to use the bathroom well before we hit that limit, when our bladder contains between 150 and 250 milliliters of liquid. As the bladder fills up, it sends nerve signals to the brain, letting us know it’s time to go.

The experts we spoke with said that when you pee “just in case,” your bladder starts alerting your brain too early, before having the standard amount of urine. This disruption can reduce “the volume your bladder can hold over time,” said Siobhan Sutcliffe, an epidemiologist and professor of surgery at Washington University.

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Source: Elections - nytimes.com


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