Health

When should you breathe through your mouth? – VnExpress


When exercising intensely, your nose is blocked due to a cold, you should breathe through your mouth to bring air into your lungs.

Follow WebMD, Breathing through the nose has many benefits over breathing through the mouth because it helps to humidify the inhaled air. During breathing, the nose releases nitric oxide (NO). NO is a vasodilator, which helps widen blood vessels. This can help improve oxygen circulation in the body. The mouth doesn’t normally do this, which is why some mouth breathers often wake up with a dry mouth or sore throat.

Small hair-like structures called cilia in the nose filter out toxins and debris when breathing. The nose can smell harmful substances in the air or food. The mouth cannot find these toxins efficiently.

Healthy people use both their nose and mouth to breathe. According to experts, the only time it’s really necessary to breathe through your mouth is during intense exercise or if your nose is blocked by a cold or allergies. At this point, mouth breathing can temporarily help get air into the lungs faster.

Effects of breathing through the mouth

Mouth breathing can dry out the gums, the tissue lining the mouth. This can change the natural bacteria in the mouth, leading to gum disease or tooth decay, causing bad breath.

In addition, the breathing method can lead to low blood oxygen levels. This is linked to high blood pressure and heart failure. Studies show that mouth breathing also reduces lung function, worsening symptoms in people with asthma. In children, mouth breathing can cause crooked teeth, facial deformities or underdevelopment.

Breathing through the nose has many benefits over breathing through the mouth. Photo: Freepik

Causes of mouth breathing

Nasal congestion is a common reason why you breathe through your mouth. You may have nasal congestion due to allergies, tumors, nasal polyps – soft, painless, noncancerous masses that form due to long-term inflammation of the lining of the nose and sinuses, appearing in the upper sinuses. nasal drainage.

In addition, other conditions such as sleep apnea can cause mouth breathing while you sleep. When sleep apnea occurs, you stop breathing. This causes the brain to panic, leading to loud snoring when the body suddenly gasps. What makes it a habit to breathe through the mouth so that the body gets enough oxygen

For moderate sleep apnea, experts may recommend losing weight, avoiding alcohol and certain sleeping pills, using a special pillow, or taking medication to treat sinus problems or congestion.

For more severe cases, you may need to wear a special mask over your nose or mouth while you sleep. This therapy is called continuous positive pressure breathing – one of the methods to support breathing for patients with respiratory failure by maintaining a continuous positive pressure throughout the breathing cycle.

To limit mouth breathing, each person tries some home precautions: practice breathing in and out through your nose, keeping your nose clean, reducing stress so you don’t gasp through your mouth, using a larger pillow to prop your head when you sleep, exercise.

Le Nguyen

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