I have to agree. My grandmother grew up on a farm, where processed shit like margarine, vegetable oil, corn syrup, etc did not exist. A diet heavy on meats, fresh made breads, potatoes, and fats. Few vegetables, except for what was used to make soup. Her most common meal was just bread with butter, which she would eat all the time. Lived to be almost 100, and was in very good health her entire life. Never smoked, had maybe one glass of wine a month.

It shows how far we really stem from how we should be eating, and I always tell people that they should eat like their great grandparents did. Your diet can be full of vegetables too, look at what is a Vietnamese or Japanese diet. These countries have the lowest obesity rate and some of the highest life expectancies on the planet. The difference is, their diets focus on the freshest ingredients, with small portions of fish or meat. They use lots of natural spices to make incredible flavors. And it works for them.

The downfall of the human diet came when canned foods became the normalcy and new preservatives were being researched, to the point it is currently at where just a breaded chicken tender from a restaurant has 30 ingredients in it with stuff nobody ever uses in cooking, like Sodium Benzoate. Processed foods are what is causing the health epidemic globally. We are currently seeing corporate propaganda like never before. Like the cigarette propaganda where in the early 1900's people even thought smoking was good for you. This is what is happening in the food industry these huge food conglomerates push this propaganda and make people think their foods are good. They make it seem like their bagged lettuce is all natural, despite spraying it with pesticides when it was growing.

So, in my opinion, if people did not eat the food/ingredient 100 years ago, you should not either, and any new foods are at best a grey area, but mostly harmful. We used to care so much more about where our food came from, and if it was fresh. Today the grocery stores sell people foods that are harmful to them, processed junk. Farmers markets and local delis are the way to go, even some fun history that the US at one point tried to ban chain grocery stores due to how dangerous it could be to American society.