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via TimesNowNews.com: New Delhi: Breathing through the nose is claimed to have many benefits. A recent study suggests that breathing through the nose may boost your memory, indicating that the way we breathe may affect how well our memories are consolidated. According to the research published in the journal JNeurosci, breathing through the nose enhances the transfer of the events we experience in our day to day life to our long-term memory bank.

The findings of the study conducted by Artin Arshamian from Karolinska Institutet in Sweden and colleagues showed that participants who breathe through the nose consolidate their memories better. If we breathe through the nose rather than the mouth after trying to learn a set of smells, we remember them better, the researchers said.

Benefits of nasal breathing

  • Nose breathing can help fight infections. When you breathe in through your nose, the nostrils and sinuses filter, warm and moisten the air that goes into your lungs. Breathing through the nose also stimulates the production of nitric oxide in the sinuses. Nitric oxide kills deadly bacteria and works as a vasodilator on the airways. So, the nose acts as a filter and retains small particles in the air, including pollen.
  • Nasal breathing boosts blood circulation, blood oxygen and carbon dioxide levels, slows the breathing rate and improves overall lung volumes. Studies have shown that mouth breathing may also decrease lung function, and worsen symptoms and exacerbations in people with asthma. Mouth breathing can lead to physical abnormalities and cognitive challenges in children.
  • Nose breathing helps proper oxygen-carbon dioxide exchange during respiration, thereby helping the blood to maintain a balanced pH. This means, Co2 in the lungs is more likely to be balanced and you’re less likely to over-breathe. An imbalance in Co2 can cause problems, such as disrupted sleep, loud snoring, and even frequent night time urination.
  • Nose breathing can help lower heart rate and breath rate compared to mouth breathing exercise. Mouth breathing can lead to a low oxygen concentration in the blood, which is linked to high blood pressure and heart failure.
  • Breathing through the nose may also reduce your risk of dental decay and gum disease. That’s because when you inhale through the nose, your mouth is closed and your saliva can wash bacteria your teeth and gums.

The bottom line is, nose breathing is the key to good health, fitness, sleep and cognitive function. Mouth breathing becomes necessary only when you have nasal congestion due to a cold or allergies, or when you are practicing strenuous exercise as this can help get oxygen to your muscles faster.


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