(September 27, 2006)--Anna Nicole Smith's 20-year-old son died from a lethal combination of methadone and two antidepressant drugs, according to the US-based pathologist who conducted a private autopsy.

Cyril Wecht said Wednesday toxicology tests showed Daniel Smith had methadone, Zoloft and Lexapro in his system when he died.

Smith died Sept. 10 in a hospital room in the Bahamas where his mother was recuperating from giving birth to a daughter.

Methadone is used to treat heroin addiction.

Wecht says that the drugs found the levels of those drugs point to Smith's death being an accidental, drug-related death.

Daniel Smith, who appeared several times on the E! reality series "The Anna Nicole Show," was the son of Anna Nicole and Bill Smith.

The two married in 1985 after working together at a Mexia restaurant, and divorced two years later.

Anna Nicole Smith married Texas oil tycoon J- Howard Marshall, II in 1994, when she was 26 and he was 89.

He died the following year and she has since been involved in legal disputes over the estate.

Earlier Smith’s longtime attorney Howard K. Stern said he is the father of the reality TV star’s newborn baby daughter.

Stern says the baby has been the couple's one "ray of hope" as they have grieved over the death of Smith's son.

Click Here For Anna Nicole Smith’s Web Site

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