Aphthous stomatitis caused by a reduction in numbers of CD4+ T cells may be implicated in RAS-type ulceration in HIV infection. The thickness of the mucosa may be an important factor in aphthous stomatitis. Usually, ulcers form on the thinner, non-keratinizing mucosal surfaces in the mouth. Factors which decrease the thickness of the mucosa increase the frequency of occurrence, and factors which increase the thickness of the mucosa correlate with decreased ulceration. The nutritional deficiencies associated with aphthous stomatitis (Vitamin B12, folate, and iron) can all cause a decrease in the thickness of the oral mucosa (atrophy). Local trauma is also associated
Sound Affects Sound Affects Sound Affects is the fifth studio album by British rock band the Jam. The cover art is a pastiche of the artwork used on various "Sound Effects" records produced by the BBC during the 1970s. It is their only album co-produced by the band, and contains the only album track co-written by the entire band, "Music for the Last Couple". The album was released on 28 November 1980. Paul Weller is known to have opined "Sound Affects" as the best album The Jam released throughout their career; freely admitting the Beatles' "Revolver" had been a major influence upon