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
Scurvy with many dying as a result. During the Age of Exploration (between 1500 and 1800), it has been estimated that scurvy killed at least two million sailors. Jonathan Lamb wrote: "In 1499, Vasco da Gama lost 116 of his crew of 170; In 1520, Magellan lost 208 out of 230;...all mainly to scurvy." In 1579, the Spanish friar and physician Agustin Farfán published a book in which he recommended oranges and lemons for scurvy, a remedy that was already known in the Spanish Navy. In 1593, Admiral Sir Richard Hawkins advocated drinking orange and lemon juice as a means of