The simple view of the bonding in methane You will be familiar with drawing methane using dots and crosses diagrams, but it is worth looking at its structure a bit more closely. There is a serious mis-match between this structure and the modern electronic structure of carbon, 1s 2 2s 2 2p x 1 2p y 1.
The second reason for a low vitamin D is that you have primary hyperparathyroidism due to a small tumor in your neck and the body converts all the vitamin D-25 (that your doctor is measuring) to the active Vitamin D-1-25 (that doctors do not measure). This is the blue blob on the graph.
A recent study, published by researchers from the University of Kentucky, in the journal Free Radical Biology and Medicine, suggests that low levels of vitamin D may cause brain damage. recent study, published in the Journal of Alzheimerâs Disease, entitled Low serum vitamin D concentrations in Alzheimerâs disease: a systematic review and meta-analysis, found there to be low serum vitamin D levels in Alzheimerâs patients, relative to controls.