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
The Body Book The Body Book The Body Book: Feed, Move, Understand and Love Your Amazing Body is a 2013 health book co-written by Sandra Bark and actress Cameron Diaz. It was a New York Times Bestseller. The book takes a scientific approach. It cites articles from the following peer-reviewed academic journals: the "American Journal of Preventive Medicine", "JAMA: The Journal of the American Medical Association", "Archives of Internal Medicine", "Medicine & Science in Sports & Exercise", "The Lancet", "Sleep", "Diabetes Care", "Diabetes Research and Clinical Practice", and the "Journal of Applied Physiology". It is divided into three sections: nutrition, fitness, and mind/body