You want to try and keep a routine with your kid's meal times. Try to serve meals and snacks at roughly the same time every day. Let your child have juice or milk at meal times only, and drink water the rest of the time. If they drink juice and milk all day, they may not have an appetite later.
When you are trying to stay healthy, you should look at the possibility of taking vitamin B12. This vitamin can help your nerve cells, as well as, blood cells. Vitamin B12 is primarily found in meat and fish or you can go to your local pharmacy and pick up the vitamin in pill form.