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).
Real and demonstrative evidence are tangible types of evidence. Although the terms âreal evidenceâ and âdemonstrative evidenceâ are often used interchangeably, they can be readily distinguished. 2. Real Evidence: Tangible evidence that relates to the core matter of the litigation is real evidence.