Asthma, COPD, Emphysema: The Smoking Connection Explained

Asthma, COPD, Emphysema: The Smoking Connection Explained

Every puff of cigarette smoke delivers toxic chemicals deep into your lungs—triggering a cascade of damage that most people don’t realise until it’s too late. Dr. Ferghal Armstrong dives into the devastating effects of smoking on lung health, from early symptoms like chronic cough to advanced stages of chronic obstructive pulmonary disease (COPD) and emphysema.You'll learn how cigarette smoke impacts the respiratory system, destroying protective cilia, paralysing the mucociliary escalator, and overwhelming the lungs' ability to repair themselves. Discover the difference between chronic bronchitis and emphysema, how they contribute to irreversible lung damage, and why many patients don’t get diagnosed until their breathlessness is severe.This video also explains the clinical side: how spirometry detects obstructive patterns, how CT scans reveal emphysematous changes, and why smoking cessation is the only proven way to slow disease progression. We cover genetic risk factors like alpha-1 antitrypsin deficiency, the dangers of secondhand and thirdhand smoke, and how smoking during pregnancy affects fetal lung development.Whether you're a healthcare student, medical professional, or someone affected by smoking, this is your complete guide to understanding the long-term respiratory complications of smoking—and how to protect yourself and others.Chapters00:00 – How Cigarette Smoke First Damages the Lungs00:28 – Lungs: The Organ Most Exposed to Smoking00:51 – The Respiratory Defense System and Cilia Destruction01:10 – Chronic Bronchitis: A Structural Disease01:33 – COPD Explained: Chronic Bronchitis + Emphysema01:52 – Emphysema: Alveolar Breakdown from Smoke02:24 – Symptoms and Clinical Progression of COPD02:47 – Asthma and the Smoking Connection03:04 – Asthma-COPD Overlap Syndrome (ACOS)03:14 – Smoking and Respiratory Infections03:32 – Idiopathic Pulmonary Fibrosis and Smoking03:44 – Cellular and Inflammatory Pathways of Damage04:15 – Genetic Susceptibility and Alpha-1 Antitrypsin Deficiency04:38 – A Typical COPD Patient Case05:02 – Diagnostic Tools: Spirometry, Imaging, and Blood Gases05:15 – Why Smoking Cessation Matters Most05:26 – Secondhand and Thirdhand Smoke Effects05:58 – Impact of Smoking During Pregnancy06:15 – Clinical Advice for Early Detection and Prevention06:59 – Patient Awareness: Link Smoking with Breathlessness07:09 – Teaser for the Next Episode: Smoking and Reproduction

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Cannabis withdrawal management

Cannabis withdrawal management

In the latest episode of Cracking Addiction we discuss the symptoms of cannabis withdrawal syndrome and the duration that can be expected for these symptoms, the common reasons that people use cannabis and how to manage these symptoms post cannabis withdrawal, the pharmacological management options for cannabis withdrawal which is largely symptomatic management and also the the common clinical scenarios of comorbid dependency with cannabis and other substances such as tobacco and caffeine and the need to often manage withdrawal of other substances whilst managing cannabis withdrawal.Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

27 Heinä 202216min

Cannabis use disorder

Cannabis use disorder

In this episode of Cracking Addiction we discuss the symptoms of cannabis use disorder and cannabis intoxication, the different preparations of cannabis and the THC contents of these various preparations, the harms associated with cannabis use, the harms of cannabis when compared with tobacco and alcohol usage, the risk factors for developing cannabis use disorder, how to identify a person with cannabis use disorder, the social determinants impacting substance use and the classifications systems for cannabis use disorder mainly DSM 5 and ICD 11.Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

20 Heinä 202226min

Cannabidiol (CBD)

Cannabidiol (CBD)

In this episode of Cracking Addiction we discuss cannabidiol (CBD) and discuss the clinical effects of CBD, how CBD acts on the cannabinoid receptors, the clinical indications for CBD products, the potential areas where CBD may have the most clinical benefit and discuss the lack of psychoactive properties of CBD. We also discuss the risks associated with CBD and how to counsel patients on these risks. Finally we discuss the potential future role of CBD in the management of chronic pain and people on high dose opioids and also in the treatment of cannabis use disorder.Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

13 Heinä 202216min

THC

THC

In this episode of Cracking Addiction we discuss delta 9 tetrahydrocannabinol (THC) and how it interacts with the cannabinoid receptors and how this interaction with the receptors causes its effects on the body. We also explore the clinical effects of THC, side effects of THC and the clinical indications for THC products.Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

6 Heinä 202216min

The Endocannabinoid system

The Endocannabinoid system

In this episode of Cracking Addiction we discuss the endocannabinoid system, the different types of endocannabinoid receptors CB1 and CB2, the location of the different receptors, the endogenous ligands of cannabinoid receptors and their synthesis and breakdown and briefly touch on the two best known cannabinoids THC and cannabidiol. Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

29 Kesä 202219min

Chasing the scream

Chasing the scream

In this episode of Cracking Addiction, Scot Aitken and Dr Ferghal Armstrong chat about Johan Hari’s book, Chasing The Scream. We explore some of themes of the book including the motivations that underpin the war on drugs, the economic factors that affect the war on drugs and the role of decriminalization of drug use.Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

22 Kesä 202222min

The Evidence for vaping

The Evidence for vaping

In this episode of Cracking Addiction we are again joined by Dr Colin Mendelsohn to discuss the controversies around vaping including the risks around vaping, the thoughts of vaping being a gateway to smoking cigarettes, the risks of EVALI, the role of 'Big Tobacco' in vaping, looking at the evidence around vaping and challenging some of the latest reviews around vapingDiscussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

16 Kesä 202217min

How to vape to aid smoking cessation

How to vape to aid smoking cessation

In part 2 of 3 episodes. In this episode of Cracking Addiction we are again joined by Dr Colin Mendelsohn to discuss the different types of vaping products on the market, the different types of nicotine e-liquids available, how to source vaping products, how to prescribe nicotine and how to vape safely.Discussions and comments in our videos are for informational purposes only and should not replace the advice of your medical professional. Please consult with your doctor before making any changes to your medical treatment or lifestyle.Latest Blogshttps://www.meducate.com.au/blogAbout Meducate ®Meducate provides online education for doctors, clinicians, health professionals and the public.See the website to browse the many different talks and courses available https://www.meducate.com.au

8 Kesä 202216min

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