So by then, Robert had understood that very likely his patients were suffering from depression even after being cured of their cancer, because the cancer drug had stopped newborn neurons from being generated.
Nesta altura, Robert já tinha percebido que, muito provavelmente,  os seus doentes sofriam de depressão depois de estarem curados do cancro, porque as drogas para o cancro tinham impedido a criação de novos neurónios.