Section 109290.

Cal. Health and Safety Code - HSC § 109290.
in effect
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No person may undertake to treat or alleviate cancer by use of drugs, surgery, or radiation unless the person holds a license issued under a law of this state expressly authorizing the diagnosis and treatment of disease by use of drugs, surgery, or radiation.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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