It does not with any real statistical significance do any of those things.

It was mainly popularized by the maker of Kelloggs to stop young boys from masterbaiting in America.

As the skin makes it easier and increases sensitivity.

That forskin has nerves that are lost. Sex will never feel as good as it would have felt had you been left intact.

I am circumcised but both my sons I made sure not to be.

They can always choose for themselves to be cut when they turn 18.

At minimum we should offer our sons the choice for themselves. And not try to make it for them when they are born.