**Phoenix Pools: City Chlorine Inflaming Senior Livers?**

By Franklin Everett Shaw

November 6, 2025

The shimmering heat rising off the asphalt in Phoenix isn’t just a visual phenomenon; it’s a constant reminder of the desert’s intensity. But for many seniors in the Valley of the Sun, especially those grappling with pre-existing conditions like Non-Alcoholic Fatty Liver Disease (NAFLD), the local public pools offer a welcome respite. However, beneath the surface of that cool, inviting water lurks a potential threat: chlorine. Is the high chlorine content in Phoenix pools a hidden danger for this vulnerable population? The answer, unfortunately, is more nuanced than a simple yes or no.

Chlorine, while essential for disinfecting public pools and preventing the spread of waterborne illnesses, can pose risks, particularly with prolonged or excessive exposure. It’s not just about the water you swallow; it’s about absorption through the skin and inhalation of chloramine gases, byproducts of chlorine reacting with organic matter like sweat and urine. These gases are what give public pools that distinctive “chlorine” smell, and they’re far more irritating than chlorine itself.

For seniors with NAFLD, the liver is already under stress. NAFLD, a condition where excess fat accumulates in the liver, affects a significant portion of the population, and its prevalence increases with age. The liver’s job is to filter toxins from the blood, and anything that adds to that burden can potentially exacerbate the condition. While the direct link between chlorine exposure from swimming and liver damage is not definitively established in large-scale human studies, the theoretical risk exists.

Here’s why: Chlorine and its byproducts can generate free radicals in the body. Free radicals are unstable molecules that can damage cells, including liver cells. In individuals with NAFLD, the liver is already more susceptible to oxidative stress, and increased free radical production could potentially worsen inflammation and liver damage. This is especially true for those with more advanced stages of NAFLD, such as Non-Alcoholic Steatohepatitis (NASH).

So, what can Phoenix seniors with NAFLD do to enjoy the city’s pools without undue risk? The key is mitigation and detoxification.

First, minimize exposure. This sounds obvious, but it’s about more than just limiting swim time.

• Swim during off-peak hours: Pools are typically less crowded in the early morning or late afternoon, meaning less organic matter and therefore fewer chloramines.
• Choose outdoor pools: Better ventilation reduces the concentration of chloramine gases.
• Consider alternative pool types: Some private pools or community centers may use salt water systems or other disinfection methods that produce fewer chloramines. Look into options in areas like Scottsdale or Tempe, which often have more upscale facilities.
• Shower before and after swimming: Showering before removes sweat and oils that react with chlorine, reducing chloramine formation. Showering after removes chlorine from the skin. Use a mild, pH-balanced soap.
• Use a nose clip and swim goggles: This minimizes chlorine exposure to the nasal passages and eyes, reducing irritation and potential absorption.
• Stay hydrated: Drinking plenty of water helps the body flush out toxins.

Second, support detoxification. This is where pre- and post-swim routines become crucial.

• Pre-swim: Consider taking a supplement like N-acetylcysteine (NAC). NAC is a precursor to glutathione, a powerful antioxidant that helps protect the liver from damage. Consult with a doctor before starting any new supplement regimen, especially if you have pre-existing conditions. A typical dose might be 600mg, taken 30-60 minutes before swimming.
• Post-swim: Focus on liver-supportive foods and drinks.
  • Lemon water: Lemon juice helps stimulate bile production, which aids in detoxification.
  • Cruciferous vegetables: Broccoli, cauliflower, and Brussels sprouts contain compounds that support liver detoxification enzymes. Steam or roast them for optimal nutrient retention.
  • Milk thistle: This herb has been used for centuries to support liver health. Look for a standardized extract containing silymarin. Again, consult with a doctor before use.
  • Green tea: Rich in antioxidants, green tea can help combat free radical damage. Choose organic varieties to avoid pesticides.
• Consider a sauna: Sweating helps eliminate toxins through the skin. If you have access to a sauna, use it after swimming to further detoxify. However, be cautious and stay hydrated, especially in the Phoenix heat.

Third, monitor your health. Pay attention to any symptoms that might indicate liver stress, such as fatigue, abdominal pain, or jaundice (yellowing of the skin or eyes). Regular blood tests can help monitor liver function and detect any problems early. Talk to your doctor about the appropriate frequency of testing.

The challenges? Many seniors are unaware of the potential risks of chlorine exposure, or they underestimate the importance of mitigation strategies. They might assume that because swimming is a healthy activity, it’s inherently safe. Furthermore, access to alternative pool types or liver-supportive supplements may be limited by cost or availability.

Common mistakes include:

• Relying solely on sunscreen: While sunscreen is essential for protecting against sun damage, it doesn’t protect against chlorine exposure.
• Ignoring the smell: The strong “chlorine” smell is a sign of high chloramine levels, indicating a need for better ventilation or pool maintenance.
• Not showering properly: A quick rinse is not enough. Use soap and water to thoroughly remove chlorine from the skin.
• Overdoing it: Excessive swimming, especially in poorly maintained pools, can increase the risk of adverse effects.

In conclusion, while the high chlorine levels in Phoenix public pools may pose a theoretical risk to the liver health of seniors with NAFLD, the risk can be significantly mitigated through proactive measures. By minimizing exposure, supporting detoxification, and monitoring their health, seniors can continue to enjoy the benefits of swimming without undue concern. It’s about making informed choices and taking responsibility for your well-being. Don’t let fear keep you out of the pool, but do approach it with knowledge and caution.