The standard model of global warming holds that this essential natural process is being supercharged by greenhouse gases released by human activities, allegedly causing the Earth to retain more heat than it would normally.
At least 85 independent SLC26A4 gene mutations have been characterized as causing PDS and nonsyndmmic deafness, in some cases confirmed by a normal perchlorate discharge test (Adato et al.
This case illustrates the unusual finding of an isolated sinus polyp obstructing the maxillary sinus ostium and causing intermittent infections and facial pain.