In stochastic processes, chaos theory and time series analysis, detrended fluctuation analysis (DFA) is a method for determining the statistical self-affinity of a signal.
Sore throats caused by tonsillitis or streptococcus may trigger a canker sore even after the initial throat condition has subsided. Also known as an aphthous ulcer, canker sores are painful and unsightly, but they are not contagious.
Yes: Crohn's disease can cause mouth sores similar to canker sores (aphthous ulcers). Crohn's disease can affect the digestive tract, anywhere from the mouth to the anus. ...Read more.