HIST 3D Lecture Notes - Lecture 14: Scurvy, Pellagra, Thiamine
Document Summary
Lecture14 feb. 28th disease as vitamin deficiency: scurvy, beriberi and. New food: as human travel and change their diet structure. Symptoms: 12 weeks after you have exhausted of vitamin c. Hard to move: 19 weeks dry and rough skin, 23 weeks wound cease to healing, 30 weeks purple swelling, leg, 38 weeks activation of chronic disease, european seaborne expansion. Appeared after 1500: long voyages and money-making. The rst description of sea borne scurvy in magellan. Very great problem in early 19th century: james lind 1747 and 1753. 1740s on a series of royal navy vessels. Various kinds of potential therapies before his time: drink some type of acidic substance (vinegar) counter act the e ect of being in sea. Lind gave 12 seamen (into 6 pairs) who had advanced cases of scurvy: lemon juice, vinegar, sea water, lemon juice served as a supplement of vitamin c.
