ADHD diet

Attention deficit hyperactivity disorder (ADHD) is defined as the combination of inattentive, hyperactive and impulsive behavior which are severe, developmentally inappropriate, and impair function at home and in school. Common features include mood swings, anxiety, impulsivity, hostility, poor concentration and sleeping disorders, along with physical complaints such as headaches, migraines, and stomach upsets. ADHD individuals are also more likely to have been of low birth weight and to have allergies or auto-immune problems. Proportionally more males than females are affected, with inattention tending to be a more female trait and hyperactivity more common in males. ADHD does persist into adulthood, although symptoms tend to diminish with time, but the main focus relates to the problems of children with ADHD. Growing children are especially vulnerable to nutritional and environmental factors that influence brain development and function, which can have either a negative or positive impact. The symptoms of this difficult condition can also significantly compromise their education, making them challenging to teach and consequently having a deleterious effect on their life-potential. The daily challenges of living with ADHD place a huge strain on families and reduces overall quality of life for all involved.
Dietary Fats
Fats have a fundamental structural and functional role in the brain and central nervous system (CNS) and are a key factor in the development ADHD. The two fats that are thought to be especially important are EPA and DHA, not only because of their role in the brain and body but because of the relative lack of them in many people’s diets. EPA is the precursor of a complex group of substances, called eicosanoids, which perform numerous regulatory functions in the brain and body. DHA is a major ‘building block’ of brain and neuronal membranes and as such has a profound influence on cell signalling. Both EPA and DHA are omega-3 fats and can be made from the omega-3 essential fatty acid, alpha linolenic acid (ALA). However, this conversion process can be problematic as genetic and environmental factors, including diet, can cause great variation in an individual’s constitutional ability to convert ALA into EPA and DHA. Dietary factors known to adversely affect this conversion include low intakes of ALA, high intakes of omega-6 fats, saturated fat, hydrogenated fat and alcohol, in addition to vitamin and mineral deficiencies,
testosterone and stress hormones. Unfortunately, many dietary surveys have revealed that a typical modern-day diet is rich in omega-6 fats, saturated fats and hydrogenated fats and often low in omega-3 fats and micronutrients. ADHD children are often found to be deficient in iron and zinc and the fact that more boys than girls tend to be affected may be partly explained by the negative effect of testosterone on this conversion process. In order to avoid a functional deficiency of these important fats, the diet should have a smaller ratio of the omega-6 essential fat, linoleic acid (LA) to omega-3 essential fat (ALA), at an ideal ratio of no more than 5:1, as well as adequate amounts of pre-formed EPA and DHA. The richest dietary sources of LA are certain vegetable and seed oils, including sunflower, safflower, soya, palm, peanut and sesame, all of which should be eaten in good amounts along with oils that are rich in ALA such as rapeseed (canola), flaxseed (linseed) and walnut oil. Olive oil is also recommended, despite having quite a low ALA content, as it is rich in beneficial monounsaturated fats. Looking at types of spreading fat available, many margarines have been specifically formulated to be rich in ALA, although some brands still contain harmful hydrogenated fats, but it is worth remembering that butter actually has a low LA content and when mixed with equal quantities of rapeseed or olive oil, the saturated fat content is much reduced. Other sources of ALA include green, leafy vegetables such as rocket, watercress and spinach as well as fresh green herbs, such as basil, coriander, mint and parsley. Consequently, the food products of animals allowed to graze on open pasture will also be rich in ALA and so organic, free-range and outdoorreared meat, milk and eggs are the best choice.
When it comes to sources of EPA and DHA, fish and seafood are the best sources with oily fish , such as salmon, trout, mackerel, sardines, herring and anchovies, being especially rich. Fresh tuna is classed as an oily fish but the canning process causes a significant loss of fatty acids so tinned tuna has an EPA and DHA content comparable to white fish, such as cod, haddock and plaice. Certain varieties of fish are more likely to contain large amounts of pollutants such as mercury and lead which are known to be neurotoxic and so it is prudent for people with ADHD, and all children under 16 years of age, to avoid eating shark, marlin and swordfish. DHA can also be found in liver and egg yolks and so these foods should be incorporated into the diet regularly, unless you are taking a nutritional supplement that contains vitamin A in which case you should not eat liver or foods containing liver such as pate.
Dietary Antioxidants
If intakes of long-chained polyunsaturated fats (PUFAs), such as EPA and DHA, increase then so does the risk of lipid peroxidation by the action of harmful free radicals, smoking, and pollutants, etc.; substances produced in the body by normal processes such as breathing and metabolism. PUFAs are highly susceptible to attack from these reactive substances and need the protection of antioxidants to avoid getting damaged and thus affecting the structure of the lipid membranes of the brain and CNS. When free radical production is insufficiently countered by antioxidants the resultant damage to the brain and body is termed ’oxidative injury’. Dietary antioxidants include nutrients such as vitamin E and selenium as well as biologically active substances such as flavonols, anthocyanins and carotenoids, found in highly colored fruits and vegetables, nuts, tea and red wine. Vitamin E is naturally found in PUFA-rich foods like oils and nuts whilst selenium is found in fish, seafood, liver, egg, brazil nuts, mushrooms and lentils. Eating the recommended daily minimum of 5 portions of fruit and / or vegetables should provide adequate amounts of complementary dietary antioxidants, especially if a wide range of colors and varieties are chosen.
Dietary Iron
Iron deficiency has been associated with ADHD in children and tends to be worse even when compared with iron-deficient non-ADHD controls. Lower serum ferritin levels correlate with more severe ADHD symptoms and greater cognitive deficits. Dietary sources of iron include red meat, fortified breakfast cereals, pulses and dried apricots and these foods should feature regularly in the ADHD diet. Additional supplementary iron may be required in cases of proven iron deficiency.

Dietary Zinc
Zinc has a range of important functions in the body, including the metabolism of neurotransmitters and fatty acids, with zinc deficiency possibly having an effect on the development of ADHD. Children with ADHD who have been treated with supplementary zinc have exhibited reduced hyperactive, impulsive and impaired-socialisation symptoms. Foods known to be rich in zinc include seafood, liver, pine nuts, cashew nuts and wholegrain cereals and so should be eaten regularly to help avoid deficiency.

Synthetic Food Additives
Certain synthetic food colorings, flavorings and preservatives, have been linked to increase hyperactivity in some ADHD and non-ADHD children. Many of these additives are unnecessary and are frequently used to sell poor-quality foods, that are often marketed specifically at children. The following additives have been implicated in adverse reactions:
* E102, E104, E107, E110, E122, E123, E124, E128, E133, E142, E150, E151, E154, E155, E180, E220, E221, E222, E223, E224, E226, E227, E228, benzoic acid, sodium benzoate, sodium metabisulphite, sulphur dioxide, vanillin.
Recommended treatment: Reduce consumption of refined sugar and flour, and fortify the nervous system: vitamin B complex group of mainly B1 and B6, in addition, vitamins C, E and multiminerali.
Note: Overactivity may be due to hyperthyroidism (overactive thyroid gland).

Recommended daily dosage for adults
Doses for children should be divided proportionally according to weight.

Key additions:
A. Royal jelly contains vitamins B complex, prevents anxiety and stress: 3 tablets per day of 250 mg. (1 tablet, 20 minutes before a meal).
2. Aloe Vera juice, gel or nectar contains calcium and nutrients: 4 ounces per day (2 ounces before a meal: 1 y = 28 3 or 31, 1).
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3. Vitamin - C, a powerful antioxidant, 2 tablets per day / 1 tablet with food /.
4. Beta - Carotene Vitamin - E and selenium, powerful antioxidant, preserves and restores the body tissues, vitamin E dilates blood vessels, improves circulation, protects nerves and muscles: 2 capsules per day / 1 capsule before meals /.
5. Multiminerali necessary for proper construction and functioning of the body: 6 tablets per day / 2 tablets are food /.
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