Level 1300 continues with Dr. Christopher's lectures, touching on a wide variety of subjects including herbs such as lobelia, onions, false unicorn, slippery elm, comfrey, barberry, peppermint, horseradish, ginger root, black pepper, clovers, and goldenseal. Dr. Christopher also gives case histories that include methods for treating urinary complaints, edema, eczema, gangrene, severe burns, heavy metal poisoning, radiation poisoning, morning sickness, menstrual pain, herpes, ringing in the ears, sciatica, heart conditions, and tonsillitis.