Canine Mammary Cancer: State of the Art and Future Perspectives.

Mammary cancer is the most frequently diagnosed neoplasia in women and non-spayed female dogs and is one of the leading causes of death in both species. Canines develop spontaneous mammary tumors that share a significant number of biological, clinical, pathological and molecular characteristics with human breast cancers. This review provides a detailed description of the histological, molecular and clinical aspects of mammary cancer in canines; it discusses risk factors and currently available diagnostic and treatment options, as well as remaining challenges and unanswered questions.

[Factors associated with tobacco use in patients with asthma during the confinement due to COVID-19 in an urban region with high numbers of SARS-CoV-2 infections].

Objective: To determine the prevalence and risk factors associated with tobacco use during the period of confinement in light of the COVID-19 pandemic.

Methods: Through an analytical and cross-sectional study, the data of 2, 372 participants were analyzed. The information was collected through a self-administered questionnaire that was built with the Google Forms tool, which was distributed and applied via email and WhatsApp; the private messaging platform.

Association between asthma and dental caries in the primary dentition of Mexican children.

Background: Asthma has been associated with a great number of negative health outcomes. This study was undertaken to detect the association between asthma and dental caries in the primary dentition.

Methods: Data were obtained from a cohort of 1160 Mexican children aged 4-5 years.