A man in California is the seventh vaping-related death in the United States and the second in the state, health officials confirmed on Monday. Six other vaping-related deaths have been reported in Illinois, Indiana, Kansas, Minnesota, Oregon and California.

The unnamed Tulare County man died of “complications related to the use of e-cigarettes,” according to the county Health and Human Services Agency. The 40-year-old had been in the hospital for “several weeks” before his death, said department spokeswoman Jan Winslow. He had a history of vaping, though Winslow said officials were still investigating what products he used.

The doctor told family members the death was due to vaping, [family member Garrett] Vanni said. Family gathered vaping products from the man’s home and his car. One product they found in his car was a black box with gold lettering and the words “Lucky Charms,” a brand of THC vape pen cartridge, Vanni said.

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