Answer:
The given statement is true because:
Not all sugars or carbohydrates are injurious to health. In fact, carbohydrates or sugar are the primary source of energy for the body.
They also spare proteins to be used for energy production due to which they are mainly used in growth and repair of the body.
It is suggested that one should not consume a lot of simple sugars such as glucose, galactose, fructose et cetera.
Complex sugars or polysaccharides such as starch, glycogen et cetera are considered as good for health.
Brown rice, barley, quinoa, bulgur, other whole grains, potatoes, sweet potatoes, legumes, corn et cetera are good sources of complex carbohydrates.