Mental Health Treatment | Vitamin Deficiencies: Scurvy, Pellagra, Beriberi, & More | 1944 @MentalHealthTreatment | Uploaded April 2021 | Updated October 2024, 14 hours ago.
Nutritional deficiencies of the severity demonstrated in this film are rarely seen today.
Xerosis conjuntivae, riboflavin deficiency also feature.

Quality of film through the ages differs wildly (this one for example, being of great quality both in audio and video). I am not certain if it has more to do with type of film used, or the storage conditions