Anavex Life Sciences Corp (AVXL)

[Steady_T]

Even then there is the Hawthorne effect to contend with.

In my reading about Rett syndrome I read that the seizures can come and go for long periods of time. There is no known reason for why that happens.

Placebo arms are not perfect, but they do help control for a lot of variables and allow for more confidence in the results.