Chapter 30: historical aspects of the major neurological vitamin deficiency disorders: the water-soluble B vitamins.
Level 5 - mechanism / opinion, no new human data
Narrative historical review without systematic search or meta-analysis
PubMed 19892133 · doi:10.1016/S0072-9752(08)02130-1
What was done
This historical review summarizes the scientific and medical discovery of major neurological disorders caused by water-soluble B-vitamin deficiencies, specifically beriberi and Wernicke-Korsakoff syndrome (thiamin), pellagra (niacin), and neural tube defects (folate). The authors synthesize historical clinical descriptions, animal models, biochemical isolations, and public health fortification strategies spanning the 17th through 20th centuries from the published literature.
What was found
The abstract outlines key historical milestones: dietary modifications eliminated beriberi in the Japanese Navy by 1887; Goldberger's work (1914–1929) established pellagra as a dietary deficiency, leading to niacin isolation in 1937 and US food fortification; and randomized trials in the early 1990s demonstrated that periconceptual folate administration reduces the occurrence and recurrence risks of neural tube defects by at least 70%, prompting mandatory US grain fortification in the late 1990s. Beyond the 70% reduction figure, no quantitative values are reported.
Why it matters
The review outlines how clinical epidemiology, nutritional biochemistry, and randomized trials converged to convert debilitating neurological conditions into preventable public health targets through population-level food enrichment.
Limits
As a narrative historical review, this work lacks a systematic search protocol, predefined inclusion criteria, and formal risk of bias assessments. Most quantitative metrics from the referenced primary studies are omitted from the abstract.
Cited by
- supports Pellagra is a niacin deficiency caused by pure corn gruel diets in institutionalized populations in the southern United States in the 1930s and 1940s.