AUTISM ONE RADIO: A Conversation of Hope with Host Teri Arranga. Heather Walker’s son, Meki, was a normally developing child until age 3. A vaccine injury caused his health and abilities to decline. Using only homeopathy, Heather, with Dr. Larry Malerba, was able to turn Meki’s path around. Dr. Malerba discusses the homeopathic treatment of Aspergers, autism, and children in the autism spectrum.