Our results suggest that ghost cell odontogenic tumours comprise a heterogeneous group of neoplasms which need further studies to define more precisely their biological behaviour.

Gastric cancer (GC) incidence has not declined in Mexico.We assessed whether the intake of capsaicin (CAP), the pungent compound of chili peppers, increases the risk of GC independently of H. pylori positivity (Hp). From 1994 to 1996, a hospital-based case-control study was performed in 3 areas of Mexico; 234 cases of GC and 468 matched controls were enrolled and their diet and other characteristics were inquired. Chili pepper intake was queried by interview and CAP content of chilies was determined in a separate analysis by gas chromatography to estimate CAP intake; IGg Hp serum antibodies were determined by ELISA. The risk of GC was increased (OR ‫؍‬ 1

Introduction:The COVID-19 pandemic can have important psychosocial consequences in the population. Objective: To determine the levels anxiety and depression symptoms and self-care behaviors during the COVID-19 pandemic in the general population. Method: Online survey distributed over three weeks using a non-probability sampling. The PHQ-9 Patient Health Questionnaire, the GAD-7 Generalized Anxiety Disorder Scale and a self-care behaviors visual analogue scale were used. Between-group (anxiety and depression) descriptive and comparison analyses were carried out. Results: Out of 1508 included participants, 20.8 % had symptoms of severe anxiety, while 27.5 % showed symptoms of severe depression. Being a woman, being single, having no children, having medical comorbidities and a history of mental health care were associated with the presence of higher levels of anxiety and depression symptoms; 66 to 80 % of the population complied with self-care recommendations. A need for receiving mental health care was identified in our study population. Conclusion: A larger number of individuals with moderate to severe anxiety and depression symptoms were observed than in other pandemics. COVID-19 pandemic psychological effects are considered an emerging public mental health problem, and implementation of programs for their care is therefore recommended.

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