The New Fitness, Brain, and Memory Health Information You Need to Know About Your Daily Step Count from Debbie Hampton

You'l want to read this, it's more detailed than I've posted on. 

My numbers for steps.

10,000 Steps A Day? How Many You Really Need To Boost Longevity - 4,400

This one suggests 8900 steps a day:

Can Exercise Protect Against Alzheimer's?

 

Exactly How Many Steps You Need to Take a Day to Not Gain Weight - 15,000

The latest here:

The New Fitness, Brain, and Memory Health Information You Need to Know About Your Daily Step Count from Debbie Hampton