The weight gain is due to all those years of feeding at the government trough.
Interestingly enough (to me, anyway) Stuyvesant High School, with its emphasis on science and math, had a student body that was pretty much apolitical. The majority was Jewish, with the remainder being Catholics of Irish or Italian heritage, with a smattering of Asians and African-Americans.
Although we never thought much about politics, I think it is safe to say that 90-95% of our parents were democrats. They loved JFK and revered FDR, and that’s just the way it was. I lived in The Bronx, and I doubt if I ever knew anyone there at that time who had ever voted for a republican.
Nadler was very active in school politics (student government) and apparently, the bug stayed with him, as did the brain warp caused by being surrounded by liberals from birth. Fortunately, yours truly appears to be immune.