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.
Dry air does not cause colds. Many people believe that hot, dry air can dry up the mucus in your nasal passages, leaving you more susceptible to colds. Not true, says Tallman. If you are already sick, though, moist air can help ease congestion and coughing, making your suffering a bit more bearable.