(KXTV) A new warning from researchers at the University of California, Davis to people using marijuana as medicine. A recent study found people with weakened immune systems are at a greater risk of infection from bacteria and fungi found on medical marijuana samples.
Dr. George Thompson with UC Davis specializes in patients with fungal infections. He noticed a strange trend in patients with depleted immune systems.
"Pneumonia basically; they cough, they can have nose bleeds from sinus infections," said Thompson.
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The common thread? The patients were all taking medical marijuana for pain relief.