My mom is in her sixties and doesn't recognize escargot or offal as food and believes sushi and medium rare pork are unacceptably risky. The further you go bac

My mom is in her sixties and doesn't recognize escargot or offal as food and believes sushi and medium rare pork are unacceptably risky. The further you go back the more reliance you find on preservative techniques other than refrigeration. That means a lot of salt, or smoking, which is a known carcinogen.