It is understood that “animal therapy” in the treatment of mental illnesses such as depression, autism and suicidal tendencies have a very good therapeutic effect. Pets can help people relieve stress, help patients recover faster, and the companionship of pets can improve cardiovascular function and strengthen the human body’s immunity, which can be said to have many benefits. So why are pets good for our heart health? 1, the treatment of anxiety disorder Penn State University study confirmed that pets can eliminate stress, emotional stability, relaxation of physiological tension, prevention of disease, can help the physiological depth of rest, Harvard Medical School, Dr. Harbottle Benson, this is called the “relaxation response”. Studies have shown that the relaxation response, which takes only 10-20 minutes twice a day, can eliminate the damage to health caused by stress or anxiety. Sincere love can soothe the body’s discomfort, so dog lovers around the world insist that the presence of the dog can enhance the sharpness of people. 2, promote heart health with no stress, physical and mental health of the dog together, people will feel infinitely relaxed. Researchers in Melbourne, Australia, have found that people who own pets have lower levels of blood pressure, cholesterol and triglycerides compared to those who don’t, and these fatty substances are closely related to heart disease. In other words, dogs are a shot in the arm. The results of another study implemented by the University of Minnesota in the United States showed that people who own dogs are 40 percent less likely to suffer a fatal heart attack than those who do not. The study, which followed nearly 4,500 people, was published earlier this year. Adnan Quraishi, a neurology professor who led the study, said he believes that people who own dogs feel less stress and tension, and as a result, they are at a lower risk of cardiovascular disease than people who don’t own pets. 3, improve the immune system Ten years ago, forty-nine-year-old stockbroker Lee in Los Angeles contracted cancer. In the stage of receiving radiation treatment, a young and active golden retriever Brandi did not move an inch to guard his side. Brandi’s tremendous love allowed Lee to enjoy the noble bond between dogs and humans. Researchers have found that the most effective “medicine” to improve immunity is unconditional love, and the healing function of love is to increase the number of immune fluid proteins and disease-fighting T-cells in the blood. In short, the loyalty, love and care shown by pets reduces stress, anxiety, depression and loneliness, boosts happiness and self-esteem, and is good medicine for the body and mind.