𝐋𝐢𝐜𝐞𝐧𝐬𝐞 𝐭𝐨 𝐠𝐞𝐭 𝐌𝐮𝐜𝐤𝐲: Examining Acute Bronchiolitis With The Hygiene Hypothesis

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You cannot step into the same river twice
-Heraclitus

In psychology, there's a concept called phenomenology. it is the idea which emphasizes that everyone sees the world through their own unique experiences. This idea holds true in medicine as well. Two people with the same health condition can have very different experiences based on their individual lives and choices.

Take asthma, for example. Two children may be diagnosed with the same condition, but their experiences can vary widely. One child might have asthma attacks five times a year, while the other only has one. Even if we consider other factors, like birth defects or parenting choices, the difference can still exist.

The Hygiene Hypothesis: A Study from 1989

In 1989, a British researcher named David Strachan looked into why more people in developed countries were getting hay fever and allergies. He published a study suggesting that being too clean and not getting enough exposure to germs as children might be a reason for this rise in allergies and asthma.

This idea is known as the hygiene hypothesis. It suggests that if kids don’t come into contact with a variety of microorganisms (like bacteria and viruses) early in life, their immune systems may struggle to tell the difference between harmful germs and harmless substances. This can lead to more allergies and autoimmune diseases.

Hygiene Theory and Acute Bronchiolitis

This concept also relates to a common respiratory infection in infants called acute bronchiolitis, which is often caused by a virus known as RSV. When children get RSV, their airways can become swollen, leading to wheezing, coughing, and difficulty breathing.

Research has shown that children raised in overly clean environments—like those with fewer siblings and little day-care exposure—might have immune systems that respond differently to infections. They often develop an allergic-type immune response rather than one that effectively fights off infections. As a result, when these children do encounter respiratory infections later in life, their immune systems may overreact.

Research Findings

1. Bont et al. (2004): This study discussed how kids in cleaner environments have less exposure to viruses like RSV. This lack of exposure leads to a weaker immune response, making them more susceptible to severe respiratory infections when they do occur.

2. Lopez-Souza et al. (2018): This research showed that children raised in less sanitized environments had fewer respiratory infections.

3. Choi et al. (2015): This study looked at how children exposed to farm life had fewer cases of acute bronchiolitis and respiratory infections.

These findings suggest that early exposure to germs can help train the immune system to handle infections better in the future. It is more like a natural vaccination but without the needles or vaccine coolers.

Practical Tips for Parents

So, what can we do with this information? Here are some practical ideas for raising healthier children:

1. Encourage Outdoor Play: Let your kids explore nature, play in the dirt, and interact with plants. This helps them connect with different microbes that can strengthen their immune systems.

2. Pet Interaction: Having pets can also be beneficial. Pets expose children to various germs, which can help build their immunity.

3. Focus on Cleaning, Not Sterilizing: Keep your home clean but avoid over-sanitizing, especially in areas where your children play and eat.

4. Organize Playdates: Encourage your kids to play with other children. This promotes the sharing of microbes, which is good for their immune development.

Conclusion

This isn’t an excuse to be dirty. Instead, it’s a reminder to ease up on excessive cleanliness. A little dirt can actually be good for us! The idea is to promote exposure to harmless microorganisms (e.g., through outdoor activities and contact with natural environments) while maintaining good hygiene to prevent harmful infections.

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References

Bont, L. et al. (2004). Respiratory syncytial virus: the case for a vaccine.

López-Souza, N. et al. (2018). The hygiene hypothesis and childhood respiratory infections: A systematic review.

Choi, J. et al. (2015). Exposure to farm environments and respiratory infections in children.

Strachan, D. P. (1989). Hay fever, hygiene, and household size. British Medical Journal, 299(6710),

Rook, G. A. W. (2009). Review series on helminths, immune modulation, and the hygiene hypothesis: The broader implications of the hygiene hypothesis.

Bloomfield, S. F., Rook, G. A. W., Scott, E. A., Shanahan, F., Stanwell-Smith, R., & Turner, P. (2016). Time to abandon the hygiene hypothesis: New perspectives on allergic disease, the human microbiome, infectious diseases, and public health. Perspectives in Public Health,

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I am Covenant, a Medical Doctor with a passion for holistic medicine-( fancy word for treating a patient as an individual and not just addressing their symptoms).

My focus lies in the deep connection between mental health and overall wellbeing, and I create content across various medical topics with an emphasis on mental health. Follow me for insights into holistic medicine and approaches to health and wellness.

Take a look at some of my work

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