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.
There are a few types of these nutrients, and they're all good for your body. But three of them -- vitamins B6, B12, and folic acid -- are especially important. Vitamin B6 is also known as pyridoxine. You need it to keep your brain working well and to help your body change food into energy, which is called metabolism.