<i>&quot;Did you know that almost half off patients who suffer from anxiety take too shallow breaths and this creates respiratory alkalosis that creates a lot of the anxiety symptoms.&quot;</i><p>When in stressful situations, [0] &#x27;take big breaths, then breath out&#x27;, repeat. This should lower your heart rate by 10%. There&#x27;s a nice overview explanation of <i>&quot;respiratory sinus arrhythmia&quot;</i>. [1]<p>[0] <a href="https:&#x2F;&#x2F;www.policeone.com&#x2F;Officer-Safety&#x2F;articles&#x2F;7811997-How-to-incorporate-combat-breathing-in-police-pursuits&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.policeone.com&#x2F;Officer-Safety&#x2F;articles&#x2F;7811997-Ho...</a><p>[1] <a href="https:&#x2F;&#x2F;www.psychologytoday.com&#x2F;blog&#x2F;the-neuroscience-mindfulness&#x2F;201602&#x2F;the-science-slow-deep-breathing" rel="nofollow">https:&#x2F;&#x2F;www.psychologytoday.com&#x2F;blog&#x2F;the-neuroscience-mindfu...</a>