American Revolutionary War British service in addition to 4,888 deserters; of the former, it is estimated 1,800 were killed in combat. Around 171,000 sailors served in the Royal Navy during the war; approximately a quarter of whom had been pressed into service. Around 1,240 were killed in battle, while an estimated 18,500 died from disease (1776–1780). The greatest killer at sea was scurvy, a disease caused by vitamin C deficiency. It was not until 1795 that scurvy was eradicated from the Royal Navy after the Admiralty declared lemon juice and sugar were to be issued among the standard daily rations of sailors. Around
Vitamin advancement of ocean voyages during the Renaissance resulted in prolonged periods without access to fresh fruits and vegetables, and made illnesses from vitamin deficiency common among ships' crews. In 1747, the Scottish surgeon James Lind discovered that citrus foods helped prevent scurvy, a particularly deadly disease in which collagen is not properly formed, causing poor wound healing, bleeding of the gums, severe pain, and death. In 1753, Lind published his "Treatise on the Scurvy", which recommended using lemons and limes to avoid scurvy, which was adopted by the British Royal Navy. This led to the nickname "limey" for British sailors.