An emotional support animal ( ESA ), or simply "support animal", is a mate animal that a medical expert has resolute offers advantage for a distinct with incapacity. This may comprise refining at least one distinguishing of the incapacity. Emotional support animals, naturally dogs, but at times cats or other animals, can be used by persons with a variety of physical, mental, or intellectual incapacities. In instruction to be arranged an emotional support animal the person looking for such an animal must have a demonstrable incapacity. An animal does not need exact teaching to be an emotional support animal. Need of a Doctor - A person must has the federal meaning of incapacity and must have a note from a physician or other medical expert uttering that the person has that incapacity and that the emotional support animal delivers a assistance for the specific person with the incapacity. Emotional support animal therapist can issue a letter to