Caren Feingold Tishfield, R. D., is a dietician who advises clients in New York City. Because of her personal experience with chronic relapsing Lyme disease, she has developed an understanding of h...ver maisCaren Feingold Tishfield, R. D., is a dietician who advises clients in New York City. Because of her personal experience with chronic relapsing Lyme disease, she has developed an understanding of how to help others with this condition.ver menos