A deficiency of riboflavin can be primary - poor vitamin sources in one's daily diet - or secondary, which may be a result of conditions that affect absorption in the intestine, the body not being able to use the vitamin, or an increase in the excretion of the vitamin from the body.
Substantial evidence means more than a mere scintilla. It means such relevant evidence as a reasonable mind might accept as adequate to support a conclusion.. Richardson v. Perales, 402 U.S. 389, 401 (1971).
Relevant Evidence âmeans evidence having any tendency to make the existence of any fact that is of consequence to the determination of the action more probable or less probable than it would be without the evidence.â See USCS Fed Rules Evid R 401, United States v. Rivera Calderon, 578 F.3d 78, 94 (1st Cir. P.R. 2009).elevant Evidence âmeans evidence having any tendency to make the existence of any fact that is of consequence to the determination of the action more probable or less probable than it would be without the evidence.â See USCS Fed Rules Evid R 401, United States v. Rivera Calderon, 578 F.3d 78, 94 (1st Cir. P.R. 2009).