Learn the role of respiratory therapists, including patient care, diagnostics, and evolving clinical practices in modern healthcare.
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.
Respiratory Therapist Practice Settings and Work Roles
Explore where respiratory therapists work and their roles across hospitals, ICUs, home care, clinics, and more to deliver patient care.
Respiratory Therapist Scope of Practice and Responsibilities
Learn the respiratory therapist scope of practice, including diagnostic and therapeutic roles, ventilator management, and patient care.
Why Do My Lungs Feel Itchy? (2026)
Learn why your lungs feel itchy, common causes, symptoms, and how to relieve airway irritation and protect your respiratory health.
What Happens If You Inhale a Bug Into Your Lungs? (2026)
Learn what happens if you inhale a bug into your lungs, including symptoms, risks, and when to seek medical attention for complications.
Coughing Up Mucus: Signs, Causes, and Treatment Options
Explore the causes, types, and treatments of coughing up mucus, and learn how to manage symptoms associated with respiratory conditions.
Coughing Up Phlegm but Not Sick: Causes and Treatment (2026)
Learn why you’re coughing up phlegm without being sick, common causes, and when to seek medical attention for persistent mucus.
Does Coughing Give You Abs? (2026)
Learn whether coughing can give you abs, how the abdominal muscles work during a cough, and why exercise is required for core strength.
Can an Anesthesiologist Tell if You Vape? (2026)
Learn whether an anesthesiologist can tell if you vape, the signs they may notice, and why vaping matters before anesthesia and surgery.
50+ Diseases to Learn for the Clinical Simulation Exam (CSE)
Learn the key cardiopulmonary diseases respiratory therapy students must know to prepare for the board exam and clinical practice.
Respiratory Failure Caused by Guillain-Barré Syndrome (2026)
Learn how Guillain-Barré syndrome causes respiratory failure, including symptoms, diagnosis, ventilatory support, and treatment strategies.
Can Mucus Cause Tonsil Stones? (2026)
Learn whether mucus can cause tonsil stones, how they form in the tonsil crypts, and what factors increase the risk of developing them.
Respiratory Management of Trauma, Obesity, Near Drowning, and Burns
Learn how trauma, obesity, near drowning, and burns affect breathing and how respiratory care manages airway, oxygenation, and ventilation.
Throwing Up Mucus: Causes, Symptoms, and What It Means
Learn why you may be throwing up mucus, what causes it, and when it may signal an underlying condition that requires medical attention.
Can You Smoke While on Oxygen? (2026)
Learn why smoking while on oxygen is extremely dangerous and how oxygen therapy increases the risk of fires, burns, and serious injury.
Top 10 Indoor Plants for Increasing Oxygen at Home (2026)
Discover the best indoor plants for increasing oxygen, improving air quality, and creating a healthier, fresher home environment.
Can You Use a Microwave While on Oxygen? (2026)
Learn whether it’s safe to use a microwave while on oxygen therapy, including important precautions to reduce risks and stay safe at home.
Sputum: Causes, Colors, Symptoms, and What It Means (2026)
Learn what sputum is, why you cough it up, what different colors mean, and when it may signal a respiratory infection or lung problem.
Phlegm: Causes, Colors, Symptoms, and What It Means (2026)
Learn what phlegm is, why you cough it up, what different colors mean, and when it may signal a respiratory infection or lung problem.
Mucus: Causes, Colors, Symptoms, and What It Means (2026)
Learn what mucus is, why you cough it up, what different colors mean, and when it may signal a respiratory infection or lung problem.