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.
Here are just some of the ways in which vitamin B12 supports the brain and central nervous system: 1  assists in normal nerve growth and development. 2  improves communication between nerve cells. 3  promotes stable adrenal function.  provides emotional and mental 1  energy. helps with the ability to concentrate.  bolsters memory function.