same force.
That creates pressure in the tiny vessels around the feet and ankles, and the fluid slips into the tissue. It is not “fat gain.” It is not always heart failure. It is a traffic jam in the lowest part of the body.
Think of the legs like a city street after a parade. Cars pour in, but the exit route is clogged, so the curb starts collecting overflow.
A woman who starts noticing her rings fit fine but her shoes do not is often seeing the first clue.