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.
1. Vitamin B12. If you search for âhow to prevent fatigueâ in a text book or on the internet, Vitamin B12 will always come up! Vitamin B12 is a water soluble vitamin which has its effects predominantly on the actions and functions of the brain and nervous system. One study examined the benefit of vitamin B12 injections over 2,000 people. They did not find any positive effect until they increased the dosage to 2,500-5,000mg every 2-3 days.