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.
Studies have shown that the antioxidant properties of vitamin E can help protect nerve cells in the brain from damage. There is also evidence that vitamin E can keep nerve cells in the brain from dying after suffering a stroke. Vitamin E has also been found to improve the memory function of the elderly.