- Refined sugar, called sucrose, is half glucose and half fructose. High-fructose corn syrup is about 55% fructose and 45% glucose.
- Virtually unknown before 1980, nonalcoholic fatty liver disease now affects up to 30% of adults in the United States and other developed countries, and between 70% and 90% of those who are obese or who have diabetes.
This 2015 WHO report (PDF) says to limit calories from sugar to 10%.
And there's this post where a company in Australia says sugar is good for you, because they made a low glycemic index sugar: sucrose.
And another post from Harvard from 2014: "Too much sugar causes heart disease".
Take a look at this video of a presentation "Sugar: The Bitter Truth". It's 1.5 hours long but very interesting. A PDF of the slides is here.