Here are some Iâve found on the subject of art and art history. â 1  Art is not what you see, but what you make others seeâ -Edgar Degas. â 2 Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seenâ â Leonardo Da Vinci.
Other forms of vitamin B 3 include the corresponding amide and nicotinamide (niacinamide), where the carboxyl group has been replaced by a carboxamide group (CONH 2), as well as more complex amides and a variety of esters.
Remarkable Benefits for the Brain. Niacinamideâs dramatic brain benefits were first discovered by Abraham Hoffer, M.D. in the 1970s. âNot only did Dr. Hoffer discover these benefits, he proved them through various studies that have long been forgotten to the benefit of the patented drug industry,â says Dr. Volpe.