Behaviour in children: how diet can help


Behaviour in children: how diet can help

Want to help stabilise your child's mood swings and improve concentration? Find out how simple changes to diet might help…

Behaviour in children: how diet can help

Studies into the effect food has in altering mood and behaviour in children have had mixed results. However, the possibility that a healthy, balanced diet could make a noticeable difference for even some children with behavioural problems makes it worth a try. The first area to focus on is the overall nutritional content based on the principles of a balanced diet: ensuring small frequent healthy meals, lots of water, fresh fruits and vegetables and a high intake of essential fatty acids. It is also a good idea to strip out the baddies: too many high sugar, refined, processed foods and additives.

The classic symptoms of Attention Deficit Hyperactivity Disorder (ADHD) include insomnia, lack of concentration, mood swings and frequent destructive outbursts. If these symptoms sound familiar, the first step is to talk to your GP who can refer your child to a paediatric team for expert assessment and advice. Although you may recognise some of these traits, try not to self diagnose without having your child assessed by a specialist. Whether your child has a diagnosed behavioural disorder or is simply going through a difficult stage, tweaking the diet can be an extremely effective starting point in moderating behaviour.

Behaviour in children: how diet can helpBreakfast

Always encourage your kids to eat breakfast. Any breakfast is better than nothing; however, emerging evidence shows that lower-GI foods may be a better choice. Great options include:

  • A boiled egg with wholegrain toast
  • Baked beans served on a grainy English muffin
  • Porridge cooked with apple and served with a dollop of yogurt
  • 2 Weetabix with milk and sliced banana

Eat-low GI wholegrains

Eating foods that have a low score on the glycaemic index can keep blood sugar levels steady and can even help your body metabolise fat more efficiently.The GI ranks carbohydrate foods based on the rate at which they are broken down into glucose. Too much glucose in the bloodstream triggers the pancreas to release a hormone called insulin to bring blood sugar levels back into the normal range. Consuming foods with a high-GI leads to high levels of circulating insulin levels.

Despite the fact that many parents are in consensus that sugary foods turn their kids wild, there is little scientific evidence to prove that sugar (specifically) has negative impact on behaviour. However, foods that are highly processed, overly sweet or have a high-GI value have little to offer nutritionally. Replace high-GI carbohydrates with complex whole grains with a low-GI value. This may help to reduce some of the symptoms and will benefit overall health and protect teeth. Use wholegrain flours or oats and cut back on the quantity of sugar you use when baking, replacing it with fruit as a base in puddings and cakes. It is also worth looking at the starchy foods – white rice and white bread/bread products – to see if changing to the ‘brown’ versions bring about any benefits. Click here for more information and expert advice on following a low-GI diet. 

Behaviour in children: how diet can helpAdditives – what to watch

Food additives are used either to prevent foods spoiling or to enhance flavour. They include substances such as preservatives, artificial colours, artificial flavourings and acidifiers. Although many synthetic additives have been banned in some countries, it should not be assumed that all the additives currently used in our food supply are welcome. A great number of synthetic food additives remain in use that have been linked to asthma, allergies, migraines and hyperactivity in children.

Manufacturers put some additives in foods to increase shelf life, colour and improve texture, but when it comes to children and additives there are a few to avoid. They include:

  • tartrazine (E102)
  • quinoline yellow (E104)
  • sunset yellow (E110)
  • carmosine (E122)
  • ponceau 4R (E124)
  • allura red (E129)
  • sodium benzoate (E211)

Studies show that kids who eat a diet free of these additives can be much healthier, more evenly behaved and can concentrate better.

ADHD and salicylates

On rare occasions, children with ADHD have reacted to a group of naturally occurring chemicals known as salicylates. If you suspect this is the case, see your GP for referral to a paediatric dietitian. If you suspect a problem, you may want to remove the salicylate rich foods – which include apples, oranges, nectarines, tangerines, grapes, cherries, cranberries, peaches, apricots, plums, prunes, raisins, almonds, tomatoes, cucumbers and peppers – from your child’s diet for a few weeks to see if behaviour improves. It’s a huge list of healthy foods, but if you notice your child craving and eating a lot of them, just try reducing the quantity to a more balanced amount and monitoring any changes.

Behaviour in children: how diet can helpThe importance of omega-3 fats

One of the most important areas of research into the relationship between foods and behaviour focuses on getting children to eat more of the oily fish that are rich in omega-3 fatty acids. Oily fish contain beneficial fatty acids which positively influence the signals sent back and forth between the brain and parts of the body. Eicosapentaenoic acid (EPA) is one of the two main types of fish oil and has been shown in studies to have the power to stabilise mood swings and generally improve concentration, behaviour and learning abilities of children with ADHD. If your child does not like oily fish, maybe consider discussing a supplement with your doctor.

Best sources of omega-3:

  • Oily fish such as mackerel, salmon and small boned fish followed by white fish and other seafood
  • Omega-3-enriched eggs
  • Walnuts, linseeds and flaxseeds.

Discover some recipe inspiration:

  • Salmon & broccoli cakes with watercress & avocado
  • Fish & finger pie
  • Smoked salmon & pea frittata
  • Salmon & rocket pasta

Behaviour in children: how diet can helpIron and zinc deficiencies

Iron and zinc deficiencies have both been implicated in children’s behaviourial issues. Under two years of age, a period of rapid brain development, iron deficiency appears the most serious and can result in long term problems with attention and mood. Emerging research also shows that many children with ADHD have lower levels of zinc in their blood, compared to the average. Improving zinc levels in children with ADHD has been shown to reduce symptoms of hyperactivity, impulsivity and impaired socialisation.

Sources of iron and zinc include:

  • Iron-fortified rice cereal with puréed fruit (from six months of age onwards)
  • Iron-fortified breakfast cereal
  • Spaghetti Bolognese
  • Baked beans on soy & linseed bread
  • Green vegetables – seaweed (try baby sushi), peas or spinach
  • Dairy foods – cheese, yogurt (source of zinc only, not iron)

Recipe ideas

  • Green garden veg pie
  • Boiled eggs with spinach & tomato
  • Baked sweet potatoes & beans
  • Spaghetti Bolognese
  • Fruit & nut yogurt
  • Cheese & fruit sticks

All health content on bbcgoodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other health care professional. If you have any concerns about your general health, you should contact  your local health care provider. See our website terms and conditions for more information.

Have you found that your child's behaviour is affected by food? We'd love to hear your thoughts and opinions.

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