1. late 1960s.
The Sugar Association was started in 1947, and its PR division, Sugar Information, soon followed.
And over the ensuing years, Big Sugar, through Sugar Information, didn't just settle for "the treat" sell. They expanded their messaging to include "the energy" sell and "the weight loss" sell, until the FDA put a soft-stop to those ads. (They weren't outright banned, but Big Sugar stopped them.)
Since the mid-1970s, there has been a significant rise in Americans' consumption of sucrose and high-fructose corn syrup (HFCS). Since 1970, obesity rates in the United States have more than doubled, while the incidence of diabetes has more than tripled.
Big Sugar argues this is a coincidence.
Here is a collection of a few of the more outrageous Sugar Information ads.
Also, please go to to Mother Jones to read a fascinating report on the brilliant maneuverings of Big Sugar PR over the last 35 years.