Among 50 people who abused both amphetamines and cannabis, all white blood cell types showed significant changes and 70% tested positive for fungal infections in their sputum.
Addiction medicine clinicians, infectious disease specialists, and public health professionals working with polysubstance abuse populations.
What the researchers found
Significant changes (p<0.001) were found in all leukocyte types including neutrophils, lymphocytes, monocytes, eosinophils, and basophils. Microscopic examination revealed hazardous alterations in neutrophils. Of 50 sputum samples, 35 (70%) showed positive fungal growth, indicating unicellular fungal infections. The majority of participants were aged 18-30 with 5-10 years of substance abuse.
Why it matters
Substance abuse can compromise immune function in ways that increase vulnerability to opportunistic infections. The high rate of fungal infections suggests immune suppression that may go unrecognized without targeted screening.
The numbers in context
50 participants. 52% aged 18-30. 56% secondary school education. 50% had 5-10 years of abuse. Significant changes (p<0.001) in all WBC types. 35/50 (70%) sputum samples positive for fungal growth.
How the study worked
Cross-sectional study of 50 amphetamine and cannabis abusers at Eradah Hospital in Qassim, Saudi Arabia. Assessed blood indices, differential WBC counts, liver and kidney profiles, and sputum cultures for fungal infections.
What this study cannot tell us
Small sample (n=50) without a matched control group. Cannot separate effects of amphetamine from cannabis. No healthy control comparison for blood parameters. Single hospital in one Saudi region.
How to read the evidence
Small cross-sectional study without controls from a single center. Cannot attribute findings to cannabis specifically versus amphetamine or combined use.
When this study was published
2024 publication.
The bigger picture
Rising fungal infections globally disproportionately affect immunocompromised individuals. If combined amphetamine and cannabis abuse impairs immune function enough to foster fungal colonization, this population needs targeted screening.
Questions still open
- Which substance, amphetamine or cannabis, drives the immune changes more strongly?
- Would antifungal screening be cost-effective in polysubstance abuse treatment programs?
Common questions
Does cannabis weaken the immune system?
Why were fungal infections so common?
Read the original research
Evaluation of the immune system status and hematological dyscrasias, among amphetamine and cannabis abusers at Eradah Hospital in Qassim, Saudi Arabia.
Scientific reports, 14(1), 10600
Citation
Mohammed, Amal Hussain; Aljarallah, Atheer Saleh; Huq, Mohsina; Mackawy, Amal M H; Alharbi, Basmah F; Almutairi, Khulud Salem; Alruwetei, Abdulmohsen M; Almatroudi, Ahmad Abdulaziz A; Alharbi, Hajed Obaid; Aljohery, Said Abdel Mohsen A; Wasti, Afshan Zeeshan. (2024). Evaluation of the immune system status and hematological dyscrasias, among amphetamine and cannabis abusers at Eradah Hospital in Qassim, Saudi Arabia.. Scientific reports, 14(1), 10600. https://doi.org/10.1038/s41598-024-61182-4
Explore the wider topic
- Surviving 4/20 Sober: A Practical Survival Guide
- CBD Oil Quality Guide: How to Avoid Snake Oil
- CBT for Cannabis Recovery: How Cognitive Behavioral Therapy Works
- Anxiety After Quitting Weed: When to Consider Medication
- Cannabis for Chemotherapy Nausea: What the Evidence Actually Shows
- Cannabis for Chronic Pain: What the Research Actually Supports
- Cannabis and Epilepsy: The Epidiolex Story and What It Means
- The Cannabis Relapse Cycle: Quit, Feel Good, Get Complacent, Repeat
- Does CBD Actually Work for Anxiety? What the Evidence Shows
- Does CBD Help with Weed Withdrawal? What Studies Show
- CBD vs THC: The Differences That Actually Matter
- Cold Turkey vs Tapering: Which Way to Quit Weed
- Dating Sober After Years of Being High: What Nobody Tells You
- Exercise as Medicine: Working Out After Quitting Weed
- Grieving Weed Itself: Mourning the Loss of a Companion
- How to Help Someone Quit Weed (When They're Not Ready)
- How to Quit Weed: A No-Judgment Step by Step Guide
- Journaling Through Weed Withdrawal: Why Writing Helps You Heal
- MA vs SMART Recovery vs Therapy: Comparing Your Options
- The Proven Medical Benefits of Cannabis: What Research Supports
- Meditation and Mindfulness for Weed Withdrawal
- Your Partner Still Smokes Weed: How to Navigate It
- Quitting Weed While Your Partner Still Smokes
- The Pink Cloud Effect: When Quitting Weed Feels Too Good
- How to Quit Smoking Weed Cold Turkey: What to Expect
- Quit Weed or Cut Back: Which Is Right for You?
- I Quit Weed and Regret It: An Honest Look at Non-Linear Recovery
- Quitting Weed in Your 20s: Career, Social Life, Starting Over
- Quitting Weed in Your 30s: It's Not Too Late
- Quitting Weed After 10+ Years of Daily Use: What to Expect
- Quitting Weed Before Surgery
- Quitting Weed During a Life Crisis: Divorce, Job Loss, and Other Bad Timing
- Quitting Weed and Working Out: How Exercise Helps Recovery
- Quitting Weed After Loss: When Grief Comes Flooding Back
- Quitting Weed When It's Legal Everywhere
- Weed and Medications: What Changes When You Quit
- Quitting Weed During Pregnancy: What You Need to Know
- Quitting Weed While Pregnant: What You Need to Know
- Weed Withdrawal Success Stories: Real People Who Made It Through
- Quitting Weed Long Distance: When You Can't Remove Triggers
- I Relapsed on Weed. Now What? A Practical Reset Guide
- I Relapsed After Quitting Weed: What Now?
- Cannabis and Older Adults: Risks Seniors Should Know
- Should I Quit Weed? A Decision Framework (Not a Lecture)
- Quitting Weed at Music Festivals and Concerts: A Sober Survival Guide
- Supplements That Actually Help with Weed Withdrawal (And Ones That Don't)
- How to Tell Your Friends You're Quitting Weed
- Cannabis and Breastfeeding: THC in Breast Milk
- Relapse Prevention Plan for Cannabis: A CBT-Based Approach
- Why Weed Relapse Happens: The Science Behind Going Back
- Replacing the Ritual: What to Do When You Quit Weed
- How Cannabis Damaged My Relationships: Before and After
- Social Media Detox from Weed Content