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).
Direct Evidence. Direct evidence is the most effective way for you to prove adultery and obtain a successful divorce. Direct evidence is firsthand proof that clearly displays the adultery in a way that is in incontrovertible. An eyewitness account is one example of direct evidence.