FILE - In this March 7, 1997, file photo, late night talk show host Art Bell sits near a satellite dish at his home in Pahrump, Nev. Authorities in Nevada say Bell, a syndicated radio host best known for nightly shows in the 1990s about paranormal themes and conspiracy theories, died of an accidental overdose of prescription drugs. Nye County Sheriff Sharon Wehrly posted a brief Facebook announcement Wednesday, Aug. 1, 2018, saying that an autopsy determined the 72-year-old Bell died April 13 at home in Pahrump of "multiple drug intoxication from his own lawfully prescribed prescriptions." (Aaron Mayes/Las Vegas Sun via AP, File) FILE - In this March 7, 1997, file photo, late night talk show host Art Bell sits near a satellite dish at his home in Pahrump, Nev. Authorities in Nevada say Bell, a syndicated radio host best known for nightly shows in the 1990s about paranormal themes and conspiracy theories, died of an accidental overdose of prescription drugs. Nye County Sheriff Sharon Wehrly posted a brief Facebook announcement Wednesday, Aug. 1, 2018, saying that an autopsy determined the 72-year-old Bell died April 13 at home in Pahrump of "multiple drug intoxication from his own lawfully prescribed prescriptions." (Aaron Mayes/Las Vegas Sun via AP, File)

LAS VEGAS (AP) — Art Bell, a former syndicated AM radio host best known for nightly shows in the 1990s featuring paranormal themes and conspiracy theories, died of an accidental overdose of prescription drugs, authorities in Nevada said Wednesday.

An autopsy found the 72-year-old Bell’s death April 13 at home in rural Pahrump was from “multiple drug intoxication from his own lawfully prescribed prescriptions,” Nye County Sheriff Sharon Wehrly’s office said in a brief Facebook announcement . It called the death an accidental overdose.

Clark County Coroner John Fudenberg, whose office in Las Vegas handled the medical examination, said Bell had the painkillers oxycodone and hydrocodone, the sedative diazepam and the muscle-relaxant carisoprodol in his system.

High blood pressure and the lung disease chronic obstructive pulmonary disorder were additional “significant conditions” in Bell’s death, Fudenberg said.

The coroner said there was no indication of foul play.

Bell produced, engineered and hosted his radio talk show, “Coast to Coast AM,” from his radio station, KNYE, before he left the airwaves in 2002. Pahrump is about 60 miles (96 kilometers) west of Las Vegas.

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The program focused on Bell’s fascination with unexplained phenomenon such as UFOs and crop circles.

At its peak, Bell’s show was heard on about 500 radio stations nationwide. He retired more than once and had a brief run on SiriusXM satellite radio in 2013.

He was inducted in 2008 into the National Radio Hall of Fame.