Pet ownership (PO) exerts beneficial effects on the physical and psycho-emotional health of the people with whom they live, even in pandemic contexts. Animals benefit from receiving attention and care and avoiding health risks, based on the «One Health» approach. Considering the contributions and importance of the subject, a compilation study of works carried out by the authors was carried out to determine the perception of the benefits of PO in different population sectors. These were exploratory and descriptive studies, cross-sectional and quantitative conducted at the National Institute of Endocrinology and the main Veterinary Clinic of Havana, in which people responsible for companion animals (PO). These people had chronic diseases (cardiovascular and endocrine-metabolic), sexual and reproductive health conditions (infertility) and sexual identity (homoerotic and transsexual sexual...