So the main benefit in the elderly is to reduce fear of falling, which impacts their life enormously. I was gonna write a load here about the interlinked benefits but the UK Government and US National Institutes of Health have summarised it nicely and much better than I couldMy question would be- will that practice improve your overall health- or improve your grip strength and balance. I wonder if the efforts are misguided in isolation.
Oh, and about 2 minutes of eyes closed whilst brushing my teeth shared across both legs