What is sugar and what would happen if I stopped eating it? A scientist explains

What is sugar?
Sugar is a class of naturally occurring sweet-tasting molecules found in fruits, vegetables, plants and the milk of mammals. It can be extracted from these natural sources and concentrated in processed foods.
The sweet-tasting molecules in sucrose (table sugar) are glucose and fructose.
Sucrose is a disaccharide. This is a molecule made of two simple sugars – glucose and fructose – in a 1:1 ratio and chemically bound. Sucrose is used in many processed foods.
High fructose corn syrup, also used in processed foods, is a mixture of the monosaccharides glucose and fructose….