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The Hidden Health Hazards: How Mould Can Trigger Various Illnesses

  • 3 min reading time

Mould, a type of fungus that thrives in damp environments, is more than just an unsightly nuisance. It's a silent health hazard lurking in our homes, offices, and schools. While it's common knowledge that mould can cause allergic reactions, many people are unaware of the wide range of illnesses it can trigger. This article aims to shed light on the health risks associated with mould exposure and underscore the importance of mould prevention, such as the services provided by Pico X.

Mould and Respiratory Illnesses

Respiratory problems are the most common health issues associated with mould exposure. According to the World Health Organization, National Academy of Medicine, and National Toxicology Program, occupants of damp, mouldy buildings have an increased chance of respiratory problems, such as shortness of breath and worsening asthma1.

In the U.S., approximately 4.6 million cases of asthma are estimated to be attributable to dampness and mould exposure in the home2. Mould spores, when inhaled, can trigger asthma attacks and cause wheezing in asthmatic individuals. They can also lead to the development of chronic respiratory conditions such as Chronic Obstructive Pulmonary Disease (COPD) and hypersensitivity pneumonitis, an inflammation of the lungs3.

Pico X mould prevention and removal

Allergies and Skin Conditions

Mould exposure can also lead to allergic reactions, with symptoms ranging from sneezing, runny nose, red eyes, and skin rash4. In some cases, mould allergies can lead to severe reactions, including shortness of breath.

Moreover, mould can exacerbate eczema and other skin conditions. A study published in the Journal of Investigative Dermatology found a strong association between mould exposure and eczema prevalence5.

Immune System Disorders

Prolonged mould exposure can lead to immune system disorders. Some types of mould produce mycotoxins, toxic compounds that can suppress the immune system and increase susceptibility to infections6. This is particularly concerning for individuals with compromised immune systems, such as those undergoing cancer treatment or people with HIV/AIDS.

Mental Health Issues

Emerging research suggests a link between mould exposure and mental health issues. A 2017 study published in the American Journal of Public Health found that people living in damp and mouldy homes were significantly more likely to experience depression7.

The Importance of Mould Prevention

Given the wide range of health issues associated with mould exposure, mould prevention is crucial. This involves controlling moisture in your home, promptly fixing leaks, and ensuring adequate ventilation. Professional mould prevention services, like those offered by Pico X, can also provide long-lasting protection against mould growth.

In conclusion, mould is not just an aesthetic issue—it's a significant health risk. By understanding the potential health hazards of mould and taking steps to prevent its growth, we can create safer, healthier living environments.


  1. National Institute of Environmental Health Sciences

  2. Realtime Labs

  3. Archives of Pathology & Laboratory Medicine

  4. Centers for Disease Control and Prevention

  5. Journal of Investigative Dermatology

  6. PubMed

  7. American Journal of Public Health


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