Research that takes account of popular uses of medicinal plants, also in urban areas, is important records to subsidize health actions more effectively and safely and maintain the local cultural heritage, as advocated by the national policy of medicinal plants. This study aimed to survey the use of medicinal plants by residents of the municipality of Aliança the Tocantins. In 2011, semi-structured interviews were conducted with 70 informants in the urban environment, Aliança of Tocantins. Most claimed to have acquired knowledge about medicinal plants with parents and grandparents, 60% and 25.7%, respectively. 62.9% of the interviewees obtained the plants in their backyard and 30% in the backyard of neighbors or relatives. The families with the highest number of species were Lamiaceae with 4 species (40%), Asteraceae and Malvaceae with 2 species each (20%). There were 82 therapeutic properties about the species mentioned, with a higher number of citations for "other indications" (25.6%), such as pain in general, back pain, malaise, dizziness, among others. The most used form of preparation was tea (81.4%) and the leaf was the most used organ (81.4%). Of the informants, 61.4% prefer to use home remedies instead of industrialized medicines. The informants, even living in the urban environment (82.8%), still know and frequently use the local medicinal flora, this being an indication of strong local cultural appeal and feasibility of encouraging green backyards.

Visceral leishmaniasis (VL) is an endemic disease in the region of Gurupi, with higher prevalence in the pediatric age group, aggravated by the high morbidity and low prophylaxis and prevention strategies of this anthropozoonosis. Objective: To characterize the data reported in the municipality of Gurupi - TO in the years 2013 to 2020 and to outline the epidemiological profile of the disease by determining the risk factors for high prevalence of the disease in this locality. Methods: This is a cross-sectional descriptive epidemiological research, retrospective and documental based, extracted from the database of SINAN (Notifiable Diseases Information System) of Gurupi in the interval between 2013 and 2020. Evaluative questionnaires were applied to all patients notified and found, analyzing the variables described in the study and subsequent statistical application of the chi-square test. Results: In the city of Gurupi, the most affected age group was between 2 and 9 years (37.29%); the most affected gender was male (66.10%); the year of highest prevalence was the year 2017 a total of 37.28% of cases in the analyzed period; and the location of highest prevalence in the municipality were the neighborhoods farthest from the city center.  As for the probable sites for contamination, most people point to their own home as a source of contamination. Conclusion: The epidemiological cut shows the prevalence of VL in the city of Gurupi and highlights the need for preventive intervention protocols for the prevention of the disease in endemic areas to decrease morbidity and mortality and control the number of cases.