Alva Review-Courier -

LOS ANGELES (AP) — Federal prosecutors in California and Florida sued on Wednesday to stop two companies from providing stem cell treatments, alleging the clinics marketed their procedures as remedies for ailments including cancer and heart disease without proof of safety and efficacy.

The firms put consumers at risk by promising benefits from treatments and products never approved by the Food and Drug Administration, the Justice Department alleged in court filings in both states.

The complaints involve cells taken from patients' own fat tissue. It's a growing practice where practitioners coll...