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Sugar was a natural sweetener found on the planet Earth. It was frequently added to drinks like coffee and tea, and was the basis for many deserts, such as chocolate cake.

In January 1918, the United Kingdom began rationing sugar in response to the pressures of World War I. (PROSE: Casualties of War)

A type of sugar was sucrose. (AUDIO: Sweet Salvation)

In 1963, the Seventh Doctor chatted with John about how tea with sugar was different from tea without sugar. (TV: Remembrance of the Daleks)

By 1965, Professor Rachel Jensen never took sugar in either tea or coffee. (AUDIO: Sins of the Fathers)

In the 1970s, the Third Doctor stopped the Multi-Mobile by putting sugar cubes in its petrol tank. (COMIC: The Multi-Mobile)

The Cybermen poisoned the sugar in the Gravitron's employees' coffee in 2070. (TV: The Moonbase)

The Ninth Doctor drank his tea with two sugars. (TV: The Unquiet Dead)

Jackie Tyler took two sugars in her tea. Her parallel double did the same. (TV: Rise of the Cybermen)

The Twelfth Doctor had sugar with his tea when UNIT was taking him to the Valiant. (TV: Death in Heaven)