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A blocked nose caused by chronic nasal congestion is more than annoying. It can have long-term adverse health consequences.

The nose is expertly configured for breathing – it removes pathogens and allergens, warms the air and humidifies it. These actions mean that the nose serves as an excellent defence against illness and disease. While the nose is specifically designed for breathing, the mouth serves as a backup airway when the nose is blocked. However, having a blocked nose long-term is not normal and using the mouth as the primary route for breathing long-term results in a number of adverse health consequences such as:

  • Increased colds and flus
  • Increased allergies
  • Exacerbation of asthma
  • Increased risk of snoring and sleep apnoea
  • Crowded and crooked teeth due to low tongue position and altered cranio-facial development in childhood
  • Enamel damage to teeth
  • Poorer oxygen delivery to the brain and tissues

Mouth-breathing can also contribute to dry mouth and bad breath. Many Buteyko participants have found that adopting the Buteyko method and normalising their breathing clears their nose and helps keep it clear.