One of the best known biotherapies is the "seeing eye dog;" but dogs are helpful in other ways, too . . . .

• Seeing Eye Dogs
  "Seeing eye dogs" are probably the best known applications of living animals to assist the ill or physically challenged. Yet, it is often overlooked as a "biotherapeutic modality" because it is so well-accepted in modern medical practice and in modern society.

• Pet Therapy
  Animal pets provide companionship and unconditional love. Pets improve general mood, decrease depression and loneliness, and distract our minds from stress-inducing concerns. Quality of life is improved for countless individuals through the company, the pleasures, and the challenges of animal pets.

• Cancer-Detecting Sniffer Dogs
  Dogs have been shown to be able to detect cancers in humans, probably as a result of volatile chemical (odors) given off by the malignancy or the host. The potential diagnostic benefits of sniffer dogs is sparking excitement and research into this area of biotherapy.