Before you disinfect every surface in your home or slather antibacterial gels on your child’s hands, here’s what you should know about how dirt can help them develop stronger immune systems, say these scientists.
Exposure to the microbes in dirt might actually help children develop stronger immune systems – and may even decrease their risk of developing allergies and autoimmune diseases. YORK, England: With the popularity of CleanTok on social media, we’re constantly being reminded about how dirty everything around us is.
The diverse array of bacteria, fungi and other microbes present in mud and soil play a crucial role in our health and is key to what immunologists call “immune training”. This is the process by which the immune system learns to distinguish between harmful pathogens and benign environmental substances.
Lack of microbial exposure, particularly in early childhood, may also increase the likelihood of developing common colds and other childhood illnesses due to the immune system not being properly trained to handle everyday pathogens. Research even shows that children raised in environments with high levels of microbial exposure – such as farms or homes with pets – are less likely to develop allergies or autoimmune diseases.
Mud play is more than just a messy outdoor activity. It provides essential sensory experiences – such as touching, smelling and manipulating different textures – which stimulate brain development and enhance emotional resilience. In addition, playing outdoors is a form of physical activity, which further supports immune health by promoting better circulation and stimulating the production of immune cells.
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