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 B5 (pantothenic acid): Deficiencies of this vitamin are rare, but may lead to symptoms of fatigue and depression. Vitamin B6 (pyridoxine): This vitamin helps your body process amino acids, which are the building blocks of all proteins and some hormones. It is needed to make serotonin, melatonin and dopamine. Vitamin B6 deficiencies, although very rare, cause impaired immunity, skin lesions, and mental confusion.