UPDATE: Christopher Lawford's cousin Patrick Kennedy revealed his cause of death on Twitter. He wrote, "The recovery community lost a founding father today. My cousin, Chris Lawford, passed away from a heart attack yesterday evening. To the world he was an author, actor, & activist, but to the recovery community he was a pioneer – living proof that long-term recovery was possible."
President John F. Kennedy's nephew, actor Christopher Lawford, has passed away at the age of 63.
TMZ reports Lawford died after having a medical emergency at a yoga studio Tuesday night.
An autopsy will be performed to determine Lawford's exact cause of death. Sources told the site it appears he died from “natural causes.”
Along with being a past correspondent for “Extra,” Lawford appeared on "All My Children" (1992-1995), "General Hospital" (2003), "Frasier" (2003), and in the movie "Terminator 3: Rise of the Machines" (2003).
Lawford was heavily involved in politics, working for the Special Olympics as well as for his uncle, the late Sen. Ted Kennedy.
Lawford, a New York Times best-selling author, most recently published “When Your Partner Has an Addiction.” He had been open about his own past addiction issues.