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B  deficiency is directly related to the occurrence  significantly lowers vitamin C levels in plasma.
                               6
                              of a kind of convulsion that commonly occurs in  The nerve endings in the brain contain the
                              youngsters. 36                             highest concentrations of vitamin C in the body
                                  B  is needed for modulating homocysteine  after the adrenal glands.  It makes good sense
                                                                                             44
                                   6
                              levels―high levels are implicated in mental ill-  to conclude that good vitamin C status supports
                              ness. Vitamin B  deficiency has been reported  mental health.
                                            6
                              in some cases of infant formulas. Certain drugs
                              will deplete vitamin B . 37                MINERALS
                                                 6
                                  In 1989, elevated homocysteine was found     Studies also show that deficiencies in iodine,
                              to be an independent risk factor for vascular  potassium, iron, magnesium, zinc, chromium,
                              disease. Homocysteine is a sulfurated amino acid  manganese and other minerals can result in
                              derived from methionine. Methionine is found in  mental symptoms.
                              animal products like cheese, eggs, fish, meat and     Magnesium is used in hundreds of brain
                              poultry and produced in a pathway that produces  enzymes. Low levels of magnesium are related to
                              methyl groups required for the synthesis of cate-  many neurological conditions, such as aggressive
                              cholamines and DNA. High homocysteine levels  behavior, dementia and schizophrenia. Magne-
                              are a sensitive indicator of B vitamin deficiency.  sium is found mainly in seeds, nuts, legumes,
                              Elevated homocysteine, called homocysteinuria,  dark leafy vegetables and whole grains if it is
                              has a high prevalence in psychiatric disorders  not lost during processing. 45
                              leading to violence, and elevated levels are found     Iron is necessary for the synthesis of neu-
                              in Alzheimer’s disease. 38                 rotransmitters and myelin that covers the nerves,
                                  Vitamin B  deficiency has a well-known  and is critical during pregnancy in relationship
                                           12
                              correlation with mental disorders, including  to the IQ of the child.
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                              irrational anger. A higher incidence of low B 12      Iodine is required for the development of a
                              is found in mental patients than in the general  healthy brain. Iodine deficiency affects all indi-
                              population. Deficiencies cause mental symptoms  viduals but especially pregnant women, lactating
                              ranging from poor concentration, depression and  women, women of reproductive age, and children
                              severe agitation to hallucinations.  Deficiencies  younger than three years of age. During fetal and
                                                          39
                              are caused by pernicious anemia, an autoimmune  neonatal growth and development, iodine defi-
                              condition; they are also found in vegetarians and  ciency leads to irreversible damage to the brain
                              vegans, those with low animal protein intake, and  and central nervous system. Iodine deficiency
                              individuals with leaky gut.  Drugs including  in the fetus results in severe mental retardation
                                                      40
                              anesthetics can deplete vitamin B .        called cretinism. 47
                                                            41
                                                          12
                                  Volunteers on a diet deficient in pantothenic     Zinc deficiency is common in the American
                              acid (vitamin B ) experience hypoglycemia,  diet because zinc is removed in processing of
                                            5
                              numbness in hands and feet, headache and  foods. It is abundant in red meat and oysters,
                              insomnia; they are easily upset, irritable, quar-  foods not well liked or available to many chil-
                              relsome, sullen and depressed. Good dietary  dren and teens. Many brain enzymatic reac-
            Low levels        sources include meats, organ meats, potatoes,  tions depend on zinc. It is involved in insulin
                                                      42
                of folate     tomatoes and royal bee jelly.              metabolism as well. Zinc deficiency has been

                                  Low levels of  folate show up in  40-80  linked with hypoglycemia and suicide, and with
           show up in         percent of elderly psychiatric patients. Folate is  angry, aggressive, hostile behaviors that result in
                                                                                48
            40-80% of         required for remethylation of homocysteine and  violence.
                              hence plays a role in mental health. Good sources
                  elderly     include liver, leafy green vegetables and orange  CHOLINE, ARA AND DHA

            psychiatric       juice. Folate is also found in enriched cereal     Choline is a key nutrient for the brain. Phos-
                              products. Chronic alcohol consumption impairs  phatidycholine is produced from choline and is
               patients.      folate absorption as do a large number of drugs.   the main storage form of arachidonic acid (ARA)
                                                                     43
                                  Finally, regarding vitamin C, research indi-  and docosohexanoic acid (DHA), two fatty acids
                              cates that almost any physical or mental stress  that are vital to neurological function. There are
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