Scurvy on a diet devoid or nearly devoid of vitamin C, had blood levels of vitamin C too low to be accurately measured when they developed signs of scurvy, and in the Iowa study, at this time were estimated (by labeled vitamin C dilution) to have a body pool of less than 300 mg, with daily turnover of only 2.5 mg/day. The vast majority of animals and plants are able to synthesize vitamin C, through a sequence of enzyme-driven steps, which convert monosaccharides to vitamin C. However, some mammals have lost the ability to synthesize vitamin C, notably simians and tarsiers.
The History of Iron Maiden – Part 1: The Early Days Doug Sampson, Ron Matthews, Terry Wapram and Bob Sawyer. The DVD won a 2004 "Metal Edge" Readers' Choice Award for Home Video/DVD of the Year. The second part of the "History of Iron Maiden" series was later included on the "Live After Death" DVD release in 2008, while a third installment was released as part of the "Maiden England '88" DVD in 2013. "The Early Days" was met with critical acclaim, with AllMusic describing it as "A masterpiece." "Classic Rock" gave the DVD 5 out of 5, calling the live footage "fascinating," while stating that "the tales of Maiden's early