What should be included: 1  The Air-Conditioning and Refrigeration Institute provides a brief explanation of how central air conditioning works 2  . Most central air conditioning systems are a split system, with the heaviest, noisiest, heat-generating components installed outdoors, and an evaporator coil indoors.
Studies show that vitamins of the B group, vitamin C, and minerals are important for normal brain functioning. Furthermore, a deficiency of any of these vitamins can lead to developmental problems in children and psychiatric illnesses in adults.
Vitamin B12, commonly referred to as cobalamin, is vital for the functioning of the nervous and circulatory systems. Vitamin B12, like other B vitamins, works to break down glucose into fuel that can be used by the brain. B12 is also a key element of myelin, the protective coating around brain cells.