Objective: Breast cancer is a disease of great concern. The prognosis of this tumor is related to its staging. Opioids are widely used to minimize pain in oncology clinics; however, the relationship between the administration of opioids and their effects on tumor cells has yet to be elucidated. Therefore, this study aimed to evaluate the immunoexpression of mu- (μ) and kappa- (κ) opioid receptors and their corr...
Breast cancer represents a disease of great concern due to its high incidence and high mortality and is currently considered the second largest cause of death in the world. It is known that the prognosis of this tumor is directly related to its staging, with more advanced stages responsible for lower survival and impairment in the patient's quality of life, mainly due to pain complaints. Opioids are widely used...
Blood doping is characterized by the use of blood transfusion to artificial increase of the mass of red blood cells artificially, and in turn to improve both maximal oxygen uptake and performance in endurance sports. The objective of this study was to conduct a literature review about blood doping using the following electronic databases: Pubmed / Medline, SciELO, Lilacs and Scirus. Classical, recente and relev...