# Vitamin A and mystery pneumonia Page: https://stenobird.com/podcast/dr-john-campbell-7851784/vitamin-a-and-mystery-pneumonia Text version: https://stenobird.com/podcast/dr-john-campbell-7851784/vitamin-a-and-mystery-pneumonia.md Podcast: [Dr. John Campbell](https://stenobird.com/podcast/dr-john-campbell-7851784) Published: 2026-09-17T15:37:30+00:00 Episode link: https://traffic.megaphone.fm/VG4896858965.mp3 Audio file: https://traffic.megaphone.fm/VG4896858965.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/vitamin-a-and-mystery-pneumonia Duration seconds: 2741 ## Resource Vitamin A is needed for immunity and is cheap Vitamin A (which is retinol) and immunity WHO report https://www.who.int/emergencies/disease-outbreak-news/item/2023-DON494 https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-a/ Vitamin A has several important functions helping natural defence against illness and infection (immune system) work properly helping vision in dim light keeping skin and the lining of some parts of the body, such as the nose, healthy Good sources of vitamin A Good sources of vitamin A (retinol) include: cheese eggs oily fish fortified low-fat spreads milk and yoghurt liver and liver pâté If you're pregnant you should avoid eating liver or liver products, (NHS, 2023) Excess vitamin A is toxic. Vitamin A deficiency https://www.who.int/data/nutrition/nlis/info/vitamin-a-deficiency What are the consequences and implications? Night blindness is one of the first signs of vitamin A deficiency. In its more severe forms, vitamin A deficiency contributes to blindness by making the cornea very dry, thus damaging the retina and cornea. An estimated 250 000–500 000 children who are vitamin A-deficient become blind every year, and half of them die within 12 months of losing their sight. World’s leading preventable cause of childhood blindness. Deficiency of vitamin A is associated with significant morbidity and mortality from common childhood infections, Vitamin A deficiency also contributes to maternal mortality and other poor outcomes of pregnancy and lactation. It also diminishes the ability to fight infections. Even mild, subclinical deficiency can be a problem, because it may increase children's risk for respiratory and diarrhoeal infections, decrease growth rates, slow bone development and decrease the likelihood of survival from serious illness.… ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/vitamin-a-and-mystery-pneumonia/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/dr-john-campbell-7851784/vitamin-a-and-mystery-pneumonia.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.