your point gets made over and over and over, I get it, health nuts have a list of things that they think are healthy.
My point, that there's a cost to all this that might not get repaid, is a fresh take that you never see unless you've read one of my other comments making the point.
This research exists. This study [1] suggests a 2.7 year increase in life expectancy. Doing some math, 5 minutes per day for 80 years is around 0.2 years.
So sure I might have gone fishing a bit to respond to a random HN comment but the data is out there and you have a brain.
If you are waiting for studies that perfectly model every variable before you spend 5 minutes walking, you are unlikely to be satisfied within your rapidly decreasing lifespan.
I really don't think "walk briskly for five minutes a day" is a health nut thing. That sounds more like the advice your doctor gives you when she knows you won't do anything a health nut says.