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.
One theory is that vitamin D affects the amount of chemicals in your brain, like serotonin. Vitamin D is important for good bone health and researchers are now discovering that vitamin D may be important for many other reasons.here are a number of good research studies from the last few years that look specifically at vitamin D and depression. In a review of research about vitamin D and depression in 2013, 9 researchers looked for and analysed all of the published research about depression and vitamin D up until February 2011.