Getting to the heart of causality is central to understanding the world around us. What causes one variable — be it a biological species, a voting region, a company stock, or a local climate — to ...

Correspondence to Dr ST Fonseca, Graduate Program in Rehabilitation Science, Physical Therapy Department, Universidade Federal de Minas Gerais, Minas Gerais, Avenida Presidênte Antônio Carlos, ...