Baby Mary Jane Pierce, at centre of cannabis oil treatment battle, dies

The severely illbaby whose parents attempted to treat herwith cannabis oil has died of natural causes, the B.C. Coroners Service says.

Mary Jane Piercewas born prematurely in Aprilat 25 weeks with serious health problems, including brain bleeding, cerebral palsy and severe seizures.

Justin Pierce and Michelle Arnoldhad fought to treat her symptoms with cannabis oil. The oil, they said,had helped them with their own epilepsy issues.

• Mary Jane Pierce's parents drop cannabis oil crusade
• Baby Mary Jane Pierce's parents seek court order to treat severely ill baby with cannabis
• Parents of baby Mary Jane Pierce win temporary injunction to keep her on life-support

The B.C. Coroners Service said the baby died Friday at B.C. Children's Hospital.

The parents hadwon a temporary injunction to keep the infanton life support. At the time, Mary Jane was in the care of an agency under the province's Ministry of Children and Family Development.

The parents dropped their court action to treat their daughter with cannabis oil in September because she appeared to be recovering.