10/08/2026
Cold, flu, COVID-19, RSV, and other respiratory infections can open the door to pneumonia. The goal is not to “boost” immunity. It is to keep every layer of airway defense staffed, supplied, and working.
In this Chamber Chatter episode, Paul Conrady of Hyperbaric Plus joins Keith Bishop Prevail Over Cancer, Clinical Nutritionist, Cancer Coach, Retired Pharmacist, and Integrative Oncology Educator with Prevail Over Cancer for:
PNEUMONIA PREVENTION: GUARD THE FRONT DOOR
Keep Every Layer of Your Airway Defense Staffed and Supplied
Pneumonia inflames the alveoli, the tiny air sacs in one or both lungs. They can fill with fluid or pus, making it harder for oxygen to enter the blood. Common causes include influenza, COVID-19, RSV, and bacteria such as Streptococcus pneumoniae.
Germs generally enter through droplets and shared air, or by aspiration, when bacteria from the mouth or throat slip into the lungs. A viral illness can also damage the airway lining and set up a second-wave bacterial pneumonia.
WHO IS AT HIGHER RISK?
Keith reviews cancer treatment, low white counts, nutrient gaps, gum disease, dentures, dry mouth, swallowing problems, smoking or va**ng, heavy alcohol use, short sleep, inactivity, acid reducers, sedatives, opioids, long-term steroids, age over 65, COPD, asthma, diabetes, heart or kidney disease, and recent viral infection.
THE FIVE LAYERS OF AIRWAY DEFENSE
1. Barrier: nose, mucus, cilia, and secretory IgA trap and sweep germs out.
2. First responders: macrophages, neutrophils, NK cells, and interferons attack within hours.
3. Supply lines: zinc, vitamin D, protein, and sleep help fuel immune cells.
4. Trained responders: T cells, B cells, antibodies, and vaccine memory.
5. Clean-up: inflammation settles and the airway lining repairs itself.
ASSESS, DON’T GUESS
Testing to discuss includes CBC with differential, 25-hydroxy vitamin D, zinc and copper together, albumin and total protein, fasting glucose and A1c, hs-CRP, ferritin, B12 and folate, and immunoglobulins if infections keep recurring.
Other evaluations may include a dental exam, denture fit, swallow evaluation, medication review, lung function testing for COPD or asthma, learning your normal pulse-ox reading, and having a fever/low-white-count plan with your oncology team.
GET CARE URGENTLY FOR
Any fever during chemotherapy, shortness of breath or fast breathing, oxygen below your normal or below 92%, chest pain with breathing, new confusion or unusual drowsiness, bluish lips, coughing up blood, or a fever that returns after a cold seemed to improve.
STRATEGIES DISCUSSED
• Vitamin D3: trial meta-analyses show a small reduction in acute respiratory infections, strongest in deficient people.
• Zinc: may shorten some respiratory illnesses; long-term use can lower copper.
• Beta-glucan: early evidence for fewer cold episodes.
• Probiotics: may reduce upper respiratory infections, but require caution with severe neutropenia, central lines, or after transplant.
• Vitamin C: modestly shortens colds; prevention benefit is limited for the general population.
• NAC: early evidence for fewer flu-like symptom episodes; discuss timing with chemo or radiation.
• Elderberry: early evidence for reducing upper-respiratory symptoms after illness starts.
• Oral care: mechanical oral hygiene lowered pneumonia and pneumonia deaths in older hospital and nursing-home populations.
• Exercise: active adults had fewer and milder respiratory-infection days.
• Sauna: observational evidence links frequent use with lower pneumonia risk; avoid with fever, low blood pressure, or low counts.
DAILY DEFENSE HABITS
Eat protein at every meal. Include zinc- and vitamin C-rich foods, fermented foods, mushrooms, garlic, onions, and green tea. Wash hands, improve ventilation, avoid touching your face, consider masking in crowds during respiratory surges if immunosuppressed, keep airways moist, sleep 7–9 hours, stop smoking and va**ng, limit alcohol, steady blood sugar, walk daily, take deep breaths, and sit upright after meals.
The action plan begins with dental care and airway habits, then labs and medication review, followed by correcting deficiencies with your practitioner and building consistent sleep, movement, nutrition, and approved supportive strategies.
Prevail. Assess. Don’t Guess.
LINKS AND RESOURCES
Prevail Over Cancer:
https://www.prevailovercancer.com/
https://www.youtube.com/
https://www.instagram.com/prevailovercancer/
Hyperbaric Plus:
https://www.hyperbaric.plus/
https://www.youtube.com/
https://www.instagram.com/hyperbaricplus/
Seminar handouts:
https://drive.google.com/drive/folders/1wi_Jq0TfpvJ-fmWMpgngoXynXGlYcgMm?usp=sharing
EDUCATIONAL DISCLAIMER: Educational only. Not intended to diagnose, treat, cure, or prevent disease or replace advice from your physician or oncology team. Supplements have not been evaluated by the FDA. Never start, stop, or change medication without consulting your prescriber.