“I am convinced the Biden family has them...perhaps from his Irish side.”
There’s always something to be said of Irish genes.
One of the only nations in Europe that never had an Empire - folks wonder why, but I don’t.
some of the studies have theorized due to the famine but I think it probably is further back than that.
I escaped the Irish gene propensity for alcoholism. The only one in my family. A sad lot.