My grandmother is 90 and is very healthy. She has never had organic food. So why should we?
Glad to know that your grandma is very healthy. May she continue to be so. But remember, she would have had organic food all through her 30s or 40s. Chemicals started spoiling foods only in the 1970s, so all through her childhood and her youth, she has had chemical free food, which we have not been fortunate to have (if we are in our 30/40/50s). They have been living on whole foods (hand-pounded rice) and minimal processed foods (no pizzas, chips, cakes and biscuits for them!!). So let us please take care of our own health. Stop chasing cheap food, and eat real organic whole food.