I don't have sources handy, but one of my friends doesn't eat pork because he believes (based on some source or another) that it is worse for his health than ot

I don't have sources handy, but one of my friends doesn't eat pork because he believes (based on some source or another) that it is worse for his health than other meats (including beef). I never asked him for his sources because it doesn't really affect me. The only reason it came up is because he was eating dinner at our house one day.