Vitamin C C deficiency. Beyond that, a role for vitamin C as prevention or treatment for various diseases is disputed, with reviews reporting conflicting results. A 2012 Cochrane review reported no effect of vitamin C supplementation on overall mortality. It is on the World Health Organization's List of Essential Medicines as one of the most effective and safe medicines needed in a health system. The disease scurvy is caused by vitamin C deficiency and can be prevented and treated with vitamin C-containing foods or dietary supplements. It takes at least a month of little to no vitamin C before symptoms occur. Early
Customs and traditions of the Royal Navy by others, include "Matelot" (pronounced "matlow", and derived from mid 19th century (nautical slang): from French, variant of matenot which was also taken from the Middle Dutch mattenoot ‘bed companion’, because sailors had to share hammocks in twos, and "Limey", from the Lime-juice given to British sailors to combat scurvy - mainly redundant in use within the Royal Navy. Royal Marines are fondly known as "Bootnecks" or often just as "Royals". Uckers is a two player board game similar to Ludo that is traditionally played in the Royal Navy. It is fiercely competitive and rules differ between ships and stations