Carbohydrates, or saccharides, are sugars and starches, which provide energy for humans and animals, and cellulose which make up many plant structures. “Carbs,” as they are now commonly referred to, have become both a blessing and a curse, as the process of modern food production has changed the way they are consumed.ypes of Carbs. Found in fruits and dairy products, simple carbohydrates are more easily digested by the body. The body breaks down simple carbs to be used for energy, which is used up very quickly.