Back to today’s briefing

Story perspectives

Cigarette Smoke Causes More Airway Damage Than Marijuana

4/22/2025

38 7

Summary

Story summary

A groundbreaking UC Davis study reveals that cigarette smoke wreaks havoc on airway health, causing more damage than marijuana smoke or vaping. By examining exhaled breath from 254 participants, researchers discovered that tobacco users faced heightened inflammation and oxidative stress, while marijuana smokers exhibited a response similar to non-smokers. Future studies will delve into the impact on those with lung conditions.

1 of 1

Story summary

A groundbreaking UC Davis study reveals that cigarette smoke wreaks havoc on airway health, causing more damage than marijuana smoke or vaping. By examining exhaled breath from 254 participants, researchers discovered that tobacco users faced heightened inflammation and oxidative stress, while marijuana smokers exhibited a response similar to non-smokers. Future studies will delve into the impact on those with lung conditions.