Discover how a sleep study (polysomnography) is used to diagnose and manage sleep disorders by monitoring vital physiological parameters.
John Landry, BS, RRT
John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor’s degree in kinesiology. He enjoys using evidence-based research to help others breathe easier, live healthier, and improve their overall quality of life.
Smoking Cessation: Overview and Practice Questions (2026)
Discover the best strategies for smoking cessation to help patients overcome addiction and embrace a healthier, smoke-free future.
Lung Cancer: Overview and Practice Questions (2026)
Gain a comprehensive understanding of lung cancer, including the types, causes, symptoms, and treatment options.
Respiratory Formulas and Calculations Practice Questions
Learn respiratory therapy math, calculations, and formulas in this guide featuring practice questions for exam prep and clinical practice.
Asthma vs. COPD in the Elderly: A Comprehensive Guide (2026)
Learn the key differences between asthma and COPD in elderly patients, including causes, symptoms, and treatment options.
Acrylamide and Lung Health: A Comprehensive Review (2026)
Discover how acrylamide affects lung health, its risks, and ways to reduce exposure for better respiratory protection.
Effects of Alcohol on Lung Health and the Immune System
Discover how alcohol impacts lung health and weakens the immune system, increasing the risk of infections and respiratory issues.
Can You Learn to Breathe Better? (2026)
Discover if you can learn to breathe better and how improved breathing techniques can boost your health, energy, and overall well-being.
Crowing Breath Sounds: A Comprehensive Guide (2026)
Learn about crowing breath sounds, their causes, symptoms, and treatment options in this comprehensive medical guide.
Thoracentesis: Overview and Practice Questions (2026)
Learn about thoracentesis, a procedure to remove excess pleural fluid, its indications, steps, and potential risks in respiratory care.
Bronchoscopy: Overview and Practice Questions (2026)
Learn what a bronchoscopy is, why it’s performed, and what to expect before, during, and after this airway examination procedure.
NAVEL Mnemonic: Drugs for Endotracheal Tube Administration
Learn the NAVEL mnemonic for endotracheal drug administration, including which medications can be given via the ET tube in emergencies.
The 11+ Best Pulmonary Rehab Exercises to Do at Home (2026)
Discover the best pulmonary rehab exercises to do at home for boosting lung function while making breathing easier.
Hypokalemia: Causes and Management in Respiratory Care
Learn about hypokalemia, its causes, symptoms, and management in respiratory care, including its impact on ventilation and cardiac function.
Cream of Tartar for Lung Health and Quitting Smoking (2026)
Discover how cream of tartar may support lung health and help smokers quit by removing toxins and restoring respiratory function.
The 31+ Best Foods for Lung Health Backed by Science (2026)
Discover the best foods for lung health that reduce inflammation, improve breathing, and support overall respiratory function.
How Deep Breathing Reduces the Stress Response (2026)
Discover how deep breathing activates the body’s relaxation response, lowers cortisol, and reduces stress with science-backed techniques.
Life2000 Ventilator: Features and Clinical Uses (2026)
Discover the Life2000 Ventilator: A portable, wearable solution for respiratory support, offering mobility and comfort for active patients.
Will Losing Weight Help Oxygen Levels? (2026)
Discover how weight loss can improve oxygen levels, enhance lung function, and boost overall respiratory health.
Largest Tuberculosis Outbreak in U.S. History Now in Kansas
Kansas is facing the largest recorded tuberculosis outbreak in U.S. history, while health officials speculate about public health risks.