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.
And, along with Vitamin C, they are water-soluble and must be replenished daily. 1  B1 (thiamine) optimizes cognitive activity and brain function. 2  Folic acid is considered brain food by some.  B6 (pyridoxine) is needed for normal brain function.