Migraine is a very common disorder that has affected mankind for several millennia. Many prominent scientists, politicians and artists have suffered from migraine. This is an analysis of the relationship between migraine ...

In 2016, Brazil was experiencing moments of effervescence in its political history: major corruption investigations, protests and President Dilma Rousself's controversial impeachment process. All this, spectacularized by ...

The objective of this research was to study the effect that ethical leadership exerts on the quality of working life perceived by workers of companies in the service sector in Colombia and to examine whether organizational ...