Good at problem solving - but forgetful

I read the other day that people who throw balls with their left hands, or use their left eyes to look through peepholes, or place their left ears against the wall to eavesdrop are twice as good at problem-solving than those who use their right hand/eye/ear.

We also have wider vocabularies than our right-handed peers.

But the downside is, we're also more forgetful.