Thallium contamination is found in California groundwater due to fertilizer use, contaminating vegetables grown in that soil, and many fertilizers are relatively toxic, therefore significant portions of the food supply are contaminated with heavy metals from agricultural practices.

factualpending

Speaker

Dr. Terry Wahls

Evidence Quote

“thallium...kale is now in California that ground is thallium...many of our fertilizers are relatively toxic so yes unfortunately many of our foods are toxic”

Source

Reversing Multiple Sclerosis Using Functional Medicine | Dr. Terry Wahls— Mark Hyman, MD
Created: 8/12/2026, 5:59:19 PM

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