text: Try the book "Prescriptions for Healing" Author: Phyllis Balch; can be found on ebay for $16-$20. Large book. Look up your ailment & find answers!!  Vitamin deficiencies (especially b vitamins) & caffeine & lack of sleep can be main contributors.  If you have an ill, normally its caused by a vitamin deficiency.  This book also explains nutrition & what you need on a DAILY basis.  Best wishes & better health to you!!