How can I boost my childs immune system (frequently sick!?!)?

Table sugar weakens your immune system and foods loaded with white sugar or refined sugar include lollies, candy, desserts, cakes, ice cream, cookies, biscuits, chocolate and many others. See items 1 and 5 in a href="http://www.rheumatic.org/sugar.htm" rel="nofollow"http://www.rheumatic.org/sugar.htm/a .