The human brain is particularly susceptible to the effects of poor nutrition during the early years of development, and most preschool diets are either average or impoverished.[1]

Young brains need many nutrients for learning. Food additives and Deficiencies in some nutrients have been linked to ADD and ADHD.

Some guidelines that can help are:
No Soft Drinks - At least till the age of 5, and then only as an occasional treat. Replace Soft drinks with Water, Natural Fruit Juices (Without corn Syrup or Fructose Sweeteners), and Low fat Milk.
Limit Potato Chips, Donuts, Pop-Tarts, and Cookies. These should be a treat and healthier alternatives like whole grain pretzels or baked chips, fruits like bananas, sliced apples, grapes, and watermelon are ideal snack choices. ... read more >>

Here's a cool dad thing to do - cook some food for your kids! The following recipes will work for babies and toddlers form 6 months onwards.

Mince

1 small carrot, peeled and grated
1/2 kumara, peeled and grated
1 tsp of oil
100g lean beef or lamb mince
1/2 cup beef or vegetable stock
1 tbsp of tomato puree

Mircowave or boil carrot and kumara in a little water until soft. Heat oil in a frying pan, add mince and stir well breaking up with the back of a spoon as it cooks until it forms small pieces about the size of a pea. Add carrot, kumara and stock. Cover and simmer until the meat and vegetables are tender, about10 minutes. ... read more >>