Arts, Crafts, and Dementia in the Elderly - Is timing everything?

Crochet-round  

This week in 150Seconds, I take on a recent study in the journal of Neurology that examined the effects of Arts, Crafts, and Computer use on the development of mild cognitive impairment in the elderly.  It's a nice study, but an error in the interpretation of subgroup analyses is one I see frequently, and decided to discuss in the following video:

MedPage Today: 150 Seconds - MCI