The Wager: A Tale of Shipwreck, Mutiny and Murder

by David Grann

Yet the solution was so simple. Scurvy is brought on by a deficiency of vitamin C, owing to a lack of raw vegetables and fruits in one’s diet. Such a deprived person stops producing the fibrous protein known as collagen, which holds bones and tissues together, and which is used to synthesize dopamine and other hormones that can affect moods. (Anson’s men also appear to have been suffering from other vitamin deficiencies, such as insufficient levels of niacin, which can lead to psychosis, and of vitamin A, which causes night blindness.) Lieutenant Saumarez later sensed the power of certain nutrients. “I could plainly observe,” he wrote, “that there is a Je ne sais quoi in the frame of the human system that cannot be renewed, cannot be preserved, without the assistance of certain earthly particles, or in plain English, the land is man’s proper element, and vegetables and fruit his only physic.”

Nutrients