Undermethylation contributes to predictable traits: high internal tension, strong preference for structure, difficulty shifting attention, and repetitive or ritualistic behaviors that serve as self-soothing
For someone trying to stop drinking, the friction of a weekly self-injection is exactly the kind of decision a relapse looks for
[73] As noted above, the completely synthetic laboratory synthesis of B 12 was achieved by Robert Burns Woodward and Albert Eschenmoser in 1972, though this process has no commercial potential, requiring more than 70 steps and having a yield well below 0.01%
PNMT is a cytosolic enzyme that is present in many tissues throughout the body, with particularly high concentration in the adrenal medulla, adrenergic neurons in the amygdala and retina and the left atrium of the heart (Haavik et al., 2008)