Rather, it is an amoral and scientificanalysis of rhetoric, defined as âthe faculty of discovering in the particularcase what are the available means of persuasionâ (L. Cooper, 1932, p. 7).Yet, in Rhetoric, Aristotle establishes the concept of credibility (ethos) as aform of proof and mode of persuasion.
The recommended dietary allowances (RDAs) of vitamin B12 are: Infants 0-6 months, 0.4 mcg; infants 7-12 months, 0.5 mcg; children 1-3 years, 0.9 mcg; children 4-8 years, 1.2 mcg; children 9-13 years, 1.8 mcg; older children and adults, 2.4 mcg; pregnant women, 2.6 mcg; and breast-feeding women, 2.8 mcg. Injecting vitamin B12 as a shot for 10 days followed by monthly injections for the remainder of life is effective for treating people with an inherited disease that results in poor absorption of vitamin B12. 2  Pernicious anemia.
A deficiency of either B6 or B12 can cause anemia, so these vitamins may be taken to treat this condition, which leads to low energy. Adults ages 19 to 50 need 1.3 milligrams of vitamin B6 daily, while older women need 1.5 milligrams and senior men need 1.7 milligrams.ufficient amounts of vitamin B6 and vitamin B12 are needed to stay well and feel your best, but itâs possible to get too much of these vitamins if you take supplements. Taking too much vitamin B6 can be harmful because excess amounts of B6 can cause nerve damage.