I know I work in one of those too pushy and frenetic northeast cities

But, hey, all you people who aggravate the heck out of me by dawdling along and not getting the @#$% out of my way, read this:

The speed someone walks may predict the likelihood of developing dementia later in life, according to researchers in the US.

They also told a conference that grip strength in middle-age was linked to the chance of a stroke.

The scientists said more studies were needed to understand what was happening.

Experts said the findings raised important questions, but more research was needed.

Suggestions of a link between slow walking speed and poor health have been made before.

A study, published in the British Medical Journal in 2009, said there was a "strong association" between slow walking speed and death from heart attacks and other heart problems. A Journal of the American Medical Association study suggested a link between walking faster over the age of 65 and a longer life.