{"podcast":{"title":"Dr. John Campbell","slug":"dr-john-campbell-7851784","podcast_index_feed_id":7851784,"rss_url":"https://feeds.megaphone.fm/VG9554039150","website_url":null,"image_url":"https://megaphone.imgix.net/podcasts/7a133470-32e4-11f1-ae26-ef5a830a5f06/image/aacd596ff9b51467520b0238cfcd1c87.png?ixlib=rails-4.3.1&max-w=3000&max-h=3000&fit=crop&auto=format,compress","author":"Campbellteaching","episode_count":658,"summary":"Hello Everyone, My name is John Campbell and I am a retired Nurse Teacher and former clinical nurse based in England. I also do some teaching in Asia and Africa when time permits. These videos are to help students to learn the background to all forms of health care. My PhD focused on the development of open learning resources for nurses nationally and internationally. LinkedIn profile, https://www.linkedin.com/in/dr-john-campbell-5256223b/ Twitter, https://twitter.com/Johnincarlisle Disclaimer; These media including videos, book, e book, articles, podcasts are not peer-reviewed. They should never replace individual clinical judgement from your own health care provider. No media-based material on this channel is suitable for using as professional medical advice. All comments are also for educational purposed only and must never replace advice from your own health care provider","last_synced_at":"2026-09-22T06:22:02.195523+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784"},"episode":{"title":"Zinc nutrition as we enter endemic phase","slug":"zinc-nutrition-as-we-enter-endemic-phase","published_at":"2026-09-06T09:00:00+00:00","page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784/zinc-nutrition-as-we-enter-endemic-phase","show_page_url":"https://stenobird.com/podcast/dr-john-campbell-7851784","url":"https://traffic.megaphone.fm/VG8827577512.mp3","audio_url":"https://traffic.megaphone.fm/VG8827577512.mp3","summary":"Zinc and immune function: the biological basis of altered resistance to infection https://pubmed.ncbi.nlm.nih.gov/9701160/ Zinc is known to play a central role in the immune system and zinc-deficient persons experience increased susceptibility to a variety of pathogens It is clear that zinc affects multiple aspects of the immune system Zinc is crucial for normal development and function of cells mediating nonspecific immunity such as neutrophils and natural killer cells Zinc deficiency also affects development of acquired immunity, activation of T lymphocytes and B lymphocyte help B lymphocyte development and antibody production, particularly immunoglobulin G, is compromised The macrophage, is adversely affected by zinc deficiency Zinc is needed by these key immunologic mediators Basic cellular functions such as DNA replication RNA transcription, cell division, and cell activation https://www.frontiersin.org/articles/10.3389/fimmu.2020.01712/full Zinc deficiency results in altered numbers and dysfunction of all immune cells Suboptimal zinc states have an increased risk for infectious diseases, autoimmune disorders, and cancer Risk groups for zinc deficiency Malnutrition Elderly and patients with various inflammatory and autoimmune diseases Mild zinc deficiency is largely sub-clinical, it is unnoticed in most people World Health Organization Assumes that at least one third of the world population is affected by zinc deficiency Zinc deficiency is responsible for 16% of all deep respiratory infections world-wide Supplementation, for which minimal to no side effects are known. Europe 10 to 20% zinc deficiency https://translate.google.com/translate?hl=en&sl=es&u=https://www.phmk.es/i-d/suplementar-con-zinc-podria-reducir-la-mortalidad-en-el-paciente-de-covid-19&…","meta_description":"Zinc and immune function: the biological basis of altered resistance to infection https://pubmed.ncbi.nlm.nih.gov/9701160/ Zinc is known to play a central…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1667,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/dr-john-campbell-7851784/episodes/zinc-nutrition-as-we-enter-endemic-phase/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/dr-john-campbell-7851784/zinc-nutrition-as-we-enter-endemic-phase.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}