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| international food information council foundation, membrane, fat girls com , n 9, 2003, plump hardcore , plump tits , sore, hempseed, anemia, eicosanoids, plump asian , | Arachidonic acid is known to worsen brain damage during stroke plump granny and other conditions of oxygen depletion. Although Vitamin E reduces the toxic effects of arachidonic acid in hypoxic conditions, N-Acetyl-Cysteine (NAC, a nutrient which increases glutathione synthesis) completely blocks the arachidonic acid toxicity. Because NAC is not an plump granny effective anti-oxidant against superoxide, the arachidonic acid toxicity must be due to lipid peroxidation [*51]. Since the 1950s it has been believed that schizophrenia is caused by brain disturbances involving the neurotransmitter dopamine. Recently it has been observed that many schizophrenics have reduced levels of DHA and arachidonic acid -- and plump granny a sizable proportion of these patients do not flush red on 200 mg doses of niacin. |
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| DHA is also reduced when the brains of rats plump hardcore are experimentally exposed to high oxygen levels -- suggesting that free-radical oxidation is causing the depletion in plump hardcore both cases. Vitamin E treatment protected the rats from neuron damage from the oxygen. This suggests that Vitamin E may be important for prevention of neurodegeneration in humans [*63]. (For more detail about DHA -- see my essay DHA for Hearts and Minds). Arachidonic acid can be released from cell membranes exposed to neurotransmitters, neuromodulators and neurohormones. The release of arachidonic acid can directly modify neuron excitability by binding with hydrophobic binding sites of ion channels plump hardcore or can be metabolized to eicosanoids that ineract with neuronal eicosanoid receptors to have a second messenger effect. |
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