For the definition of the effective date, it's necessary to go back to the Code of Federal Regulations, Title 42: Public Health, Chapter IV, Centers for Medicare and Medicaid Services (CMS), Department of Health and Human Services, Subchapter G, Standards and Certification; Part 489-Provider Agreements and Supplier Approval; Subpart AâGeneral ...
Report Abuse. A cough is a reflex when we're ill. This is going to sound pretty disgusting but extra mucus is produced during illness to catch any bacteria and stop more of whatever's made you ill from entering your body, and you cough it back up regularly to stop the mucus from entering your lungs and choking you.
A cough is your bodyâs natural reflex to help clear your airways of irritants and prevent infection. Common irritants include smoke, mucus, or allergens such as pollen, mold, or dust. Some medical conditions or medicines irritate the nerve endings in your airways and cause coughing. A cough may be acute, subacute, or chronic depending on how long it lasts.