## Austin's Air: Toxic AC Inflaming Youth Livers?

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
December 29, 2025

The air in Austin feels different. It’s thick, humid, and carries a certain weight, especially during the long, sweltering summers. But what if that weight isn’t just humidity? What if it’s carrying something far more sinister, something that’s silently impacting the health of Austin’s residents, particularly its youth?

Could mold lurking in our air conditioning systems be contributing to the alarming rise of non-alcoholic fatty liver disease (NAFLD) in young Austinites? It’s a question worth asking, and one that demands a deeper look into the potential connection between environmental toxins and our health.

Austin, Texas, with its unique climate and housing landscape, presents a perfect storm for mold growth. The combination of high humidity and frequent temperature fluctuations creates an ideal breeding ground, especially within the cooling systems that are essential for survival during the summer months. These systems, if not properly maintained, can become havens for mold, releasing mycotoxins into the air we breathe.

Mycotoxins, toxic substances produced by mold, are known to have a range of adverse health effects. While respiratory issues are commonly associated with mold exposure, emerging research suggests a potential link between mycotoxin exposure and liver damage, including NAFLD. This connection is particularly concerning for children and adolescents, whose bodies are still developing and may be more vulnerable to the effects of environmental toxins.

NAFLD, a condition characterized by the accumulation of excess fat in the liver of individuals who consume little to no alcohol, is rapidly becoming a leading cause of chronic liver disease worldwide. While factors like obesity, genetics, and diet play a significant role, the potential contribution of environmental factors like mold exposure cannot be ignored.

Austin’s housing stock, ranging from older homes with leaky roofs and basements to newer, energy-efficient buildings with tightly sealed environments, can exacerbate the problem. Older homes may have existing mold issues that are unknowingly contributing to indoor air pollution, while newer homes, while energy-efficient, can trap moisture and create conditions conducive to mold growth if ventilation is inadequate.

So, what can Austinites do to protect themselves and their families from the potential risks of mold and mycotoxin exposure? The first step is awareness and proactive testing.

Here’s a practical guide to mold testing and remediation in Austin:

  1. Visual Inspection: Start by conducting a thorough visual inspection of your home, paying close attention to areas prone to moisture, such as bathrooms, kitchens, basements, and around windows and doors. Look for signs of mold growth, such as discoloration, staining, or a musty odor.

  2. DIY Mold Test Kits: Purchase a DIY mold test kit from a local hardware store like Home Depot or Lowe’s. These kits typically involve collecting samples of surface mold or air particles and sending them to a laboratory for analysis. While DIY kits can provide a general indication of mold presence, they may not be as accurate or comprehensive as professional testing.

  3. Professional Mold Inspection: For a more thorough assessment, consider hiring a certified mold inspector. Companies like Mold Inspection Sciences Texas or RTK Environmental offer comprehensive mold testing services, including air sampling, surface sampling, and moisture mapping. A professional inspection can identify hidden mold growth and provide detailed information about the types of mold present and their concentrations.

  4. Mold Remediation: If mold is detected, it’s crucial to address the problem promptly and effectively. For small areas of mold growth (less than 10 square feet), you may be able to handle the remediation yourself using appropriate cleaning products and protective equipment. However, for larger areas or if you’re sensitive to mold, it’s best to hire a professional mold remediation company. Companies like AdvantaClean of Austin or Dry Force offer mold remediation services that include containment, removal, and disinfection.

  5. Air Purification: Investing in a high-quality air purifier with a HEPA filter can help remove mold spores and mycotoxins from the air. Look for air purifiers specifically designed for mold removal, such as those with activated carbon filters to absorb odors and volatile organic compounds (VOCs). Consider brands like Austin Air or IQAir, which are known for their effectiveness in removing airborne pollutants.

  6. HVAC Maintenance: Regular maintenance of your air conditioning system is essential for preventing mold growth. Schedule annual inspections and cleanings by a qualified HVAC technician. Ensure that your system is properly draining and that there are no leaks or moisture buildup. Consider using UV-C lights in your HVAC system to kill mold and bacteria.

  7. Humidity Control: Maintaining optimal humidity levels in your home can help prevent mold growth. Use a dehumidifier in areas prone to moisture, such as bathrooms and basements. Ensure that your home is properly ventilated, especially after showering or cooking. Aim for a humidity level between 30% and 50%.

But how does Austin compare to other Texas cities? Let’s consider Houston, with its even higher humidity, and El Paso, with its arid desert climate. While comprehensive data on NAFLD rates across specific Texas cities is limited, anecdotal evidence suggests that Houston may also be experiencing a similar rise in NAFLD cases, potentially linked to mold exposure in its humid environment. El Paso, on the other hand, with its dry climate, may have lower rates of mold-related health issues. However, dust storms and other environmental factors can still contribute to respiratory problems and other health concerns.

It’s crucial to remember that NAFLD is a complex condition with multiple contributing factors. While mold exposure may be a potential risk factor, it’s essential to address other lifestyle factors, such as diet and exercise.

Here are some local resources in Austin for liver health support and environmental toxin assessment:

  • The Liver Institute at St. David’s Medical Center: Offers comprehensive liver care services, including diagnosis, treatment, and management of liver diseases.
  • Austin Public Health: Provides information and resources on environmental health hazards, including mold.
  • Texas Department of State Health Services: Offers information on mold assessment and remediation.
  • Local Environmental Testing Companies: Companies like Mold Inspection Sciences Texas and RTK Environmental offer environmental testing services for mold, allergens, and other toxins.

The potential link between mold exposure and NAFLD in Austin’s youth is a serious concern that warrants further investigation. By taking proactive steps to test for mold, remediate affected areas, and improve indoor air quality, Austinites can protect themselves and their families from the potential risks of environmental toxins. It’s time to address this silent threat and create a healthier environment for all.

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