When you swallow or yawn, your eustachian tube normally opens and allows air to flow into or out of your middle ear, equalizing the pressure.” [hellogiggles.com]

Sneezing, swallowing or yawning causes the eustachian tubes to open, which keeps air pressure and fluid from building up inside the ears. [660citynews.com]

Normally the eustachian tube remains closed except when we yawn or swallow, at which time it briefly opens to equalize the air pressure in the middle ear. [richmondent.com]

Shortness of breath, or feeling that you can’t get enough air A faster than normal heartbeat Feeling faint, dizzy, or lightheaded Pain or tightness in your chest Frequent yawn [webmd.com]

[…] breathing for the first time hyperventilation that gets worse, even after trying home care options pain fever bleeding feeling anxious, nervous, or tense frequent sighing or yawning [healthline.com]

If you try to expand your chest (like through yawning) you increase your risk for hyperventilation. [calmclinic.com]

By Richard Klasco, M.D Photo Credit Ask Well Photo Credit Why Do We Yawn? Reading about yawning makes people yawn. You are probably yawning right now. [nytimes.com]

By Richard Klasco, M.D Photo Credit Ask Well Photo Credit Why Do We Yawn? Reading about yawning makes people yawn. You are probably yawning right now. [nytimes.com]

Yawning: - Excessive yawning and how to stop yawning a lot: Causes and a simple breathing exercise that stop constant yawning in nearly 1 minute. [normalbreathing.com]

It may be caused by breathing faster than normal (more than 15 breaths a minute), mouth breathing, sighing or yawning frequently.Most people have experienced short episodes [healthnavigator.org.nz]

The temporomandibular joints (TMJ) are the joints which allow us to talk, chew and yawn. [tmjreliefclinic.com.au]

This joint, in combination with other muscles and ligaments, lets you chew, swallow, speak and yawn. [cda-adc.ca]

By Roni Caryn Rabin Ask Well Photo Credit Why Do We Yawn? Reading about yawning makes people yawn. You are probably yawning right now. By Roni Caryn Rabin [nytimes.com]

Yawning. Being off food. Stomach cramps. Feeling sick (nausea) or being sick (vomiting). Diarrhoea. Tremor. Poor sleep. Restlessness. General aches and pains. [patient.info]

[…] addition, the March of Dimes also lists the symptoms: Fussiness, excessive crying or having a high-pitched cry Fever, sweating or blotchy skin Trouble sleeping and lots of yawning [sheknows.com]

Yawning: - Excessive yawning and how to stop yawning a lot: Causes and a simple breathing exercise that stop constant yawning in nearly 1 minute. [normalbreathing.com]

Frequent yawning and sighing as mentioned above. Air 'hunger' and feeling like you cannot take a deep breath or 'get your breath'. Poor exercise tolerance. [breathingwise.blogspot.com]

It may be caused by breathing faster than normal (more than 15 breaths a minute) mouth breathing, sighing or yawning frequently. [familydoctor.co.nz]

You yawn every 5 seconds and that hurts your jaw because it’s an awkward yawn. [killtheheroinepidemicnationwide.org]

Agitation Anxiety Muscle aches and pains Bone pain Tearing in the eyes Insomnia Runny nose Sweating Yawning Abdominal cramps Diarrhea Dilated pupils Goose bumps Chills Nausea [newlifehouse.com]

[…] include: 2 Sweating, cold sweats Mood changes like anxiety or depression Restlessness Sensitization of genitals Feeling of heaviness Cramps in the limbs or abdomen Excessive yawning [healthyplace.com]

By Roni Caryn Rabin Ask Well Photo Credit Why Do We Yawn? Reading about yawning makes people yawn. You are probably yawning right now. By Roni Caryn Rabin [nytimes.com]

PURPOSE: To explore whether complement dysregulation occurs in a routinely recruited clinical cohort of epilepsy patients, and whether complement biomarkers have potential to be used as markers of disease severity and seizure control. METHODS: Plasma samples from 157 epilepsy cases (106 with focal seizures, 46[…] [ncbi.nlm.nih.gov]