ESA Paws is proud to be El Paso's best emotional support animal letter provider. It's time to start improving your mental and emotional well-being with ESA Paws. Emotional Support Animals have become a vital part of supporting American’s with mental health. Studies have proven that 1 in every 4 Americans suffers from an emotional or mental disability every year. Luckily, there are ways to make lives better by avoiding costly medications and frequent doctor visits. Support animals have proven to reduce symptoms of mental anguish, such as anxiety and depression. They provide companionship, comfort, a sense of security, and, most of all, love.