A visual health history for carbs

By Carina Storrs, Special to CNN

Updated 7:45 AM ET, Wed September 7, 2016
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It's thumbs up today, but the news on carbs has not always been positive. Take a look at the arguments for and against carbohydrates through the centuries: Antonia Hille/Archive Photos/Getty Images
Eating a healthy portion of carbohydrates might have been critical for our evolution into a highly intelligent species. Three Lions/Hulton Archive/Getty Images
Bread and beer were staple foods in ancient Egypt and Greece. Pictured is a limestone statuette of an Egyptian servant pressing out the fermented barley-bread from which beer was brewed. Hulton Archive/Getty Images
American inventor Otto Rohwedder developed the first mechanic bread slicer. By the end of the 1920s, 90% of store-bought bread came sliced. Chris Hondros/Getty Images
The principle of Dr. Robert Atkins' diet is that, if you deprive your body of carbs, it will start burning fat for energy. Vince Talotta/The Toronto Star
Studies started coming out in the 1980s that low-carb ketogenic diets could reduce the size of tumors in lab mice with a range of cancers, including prostate and brain. American Cancer Society/Getty Images
Carbohydrates are not just bad for your waistline, they can be habit-forming, too, according to "The Carbohydrate Addict's Diet" by Drs. Rachael and Richard Heller. shutterstock
A 2012 study gave credence to the theory that sugary foods and carbohydrates harm brain health. shutterstock