Heart disease was basically unknown to doctors before 1911, then Crisco was introduced. Then people started dropping like flies. Bottom line, people ate large quantities of lard and animal fat for 1,000s of years with no heart disease. Heart disease was first written up as a medical condition by a medical doctor in 1921.
Hog farmers wouldn’t feed hydrogenated oils foods to their pigs because hogs die from eating foods containing these oils. [...]