I don't doubt it, but people shouldn't take this to mean that there aren't any possible exercises to strengthen mental ability. You've just got to listen to pe

I don't doubt it, but people shouldn't take this to mean that there aren't any possible exercises to strengthen mental ability. You've just got to listen to people who are actually successful, and not some corporate-funded research that might be null in three years. I don't see anyone at the World Memory Championships citing Lumosity.