Full text of AHA SUGAR guidelines here

Interview with the author here

What applies to SUGAR also applies to Fructose ~ HFCS and derivatives and it's arguable that fructose has more damaging (uric acid raising potential)

Also be aware that the carbonation process activates methylglyoxal MG that raises insulin, glucose, uric acid levels higher than would be. So sweetened carbonated beverages are more dangerous than non carbonated drinks with the same calorie count, But that doesn't mean that you can safely drink any amount of fruit juice.