Contaminated MMJ Believed to Have Killed Cancer Patient


A rare fungal infection has killed a California man undergoing cancer treatment and it’s believed he got it from medical marijuana, CBS Los Angeles reports.

The treatment left the man’s immune system compromised, but his death still surprised doctors because he was relatively young and his cancer was beatable. He was using medical marijuana to fend off the treatment’s effects. After his death, testing of 20 medical marijuana samples from across the state found the vast majority were contaminated with dangerous bacteria and fungi.

Advertisment: Cannabis Business Times » Cannabis Business Times Best Cannabis Companies to Work For » CBT Best Companies 2026 ROS Parallax Reveal » bcc-ads-730x570
Advertisment: Cannabis Business Times » Cannabis Business Times Best Cannabis Companies to Work For » CBT Best Companies 2026 ROS Parallax Reveal » bcc-ads-730x570

“It started with a couple patients that were undergoing very intensive chemotherapy and a stem cell therapy, and those patients were very immune-compromised,” explained Dr. Joseph Tuscano of the University of California, Davis Cancer Center.

Advertisment: Hanwha Vision » Hanwha Vision Order 78 » CBT ROS 300x250 Medium Rectangle July 2025 » D53_Cannabis-Business-Times_300x250_v1

Read more. 

Advertisment: Hanwha Vision » Hanwha Vision Order 78 » CBT ROS 300x250 Medium Rectangle July 2025 » D53_Cannabis-Business-Times_300x250_v1
Advertisment: Hanwha Vision » Hanwha Vision Order 78 » CBT ROS 300x250 Medium Rectangle July 2025 » D53_Cannabis-Business-Times_300x250_v1
Page 1 of 9
Next Page
Advertisment: Greentank » Greentank Order 111 » CBT ROS Mobile Adhesion 360x120 July 2025 » GT AC ADS 600X200@2x